分集介绍:如何应用波动和矩阵估计方法进行组合证券投资选择?本集讲述了应用波动和矩阵估计方法进行组合证券投资选择的方法。教授主要围绕如何选择最佳投资组合、如何使用高频数据

发表于:2018-12-09 / 阅读(250) / 评论(0) 分类 第二届金融与统计学大会

一、同声传译译员经常遇到的问题 1、倒装句的处理 英、汉语的语序差别很大,这就给口译造成了较大困难。例如:Japan surrendered in 19 45 after Americans dropped two atom bombs。 同声传译时,往往是刚

发表于:2018-12-18 / 阅读(41) / 评论(0) 分类 英语口译

THE PRESIDENT: Thank you all for coming. I want to thank Dr. Lindsey and Bob Carroll, and John and Marty -- thank you all for talking about the benefits and wisdom of keeping taxes low. I do want to remind people what life was like in the years 2001

发表于:2018-12-30 / 阅读(49) / 评论(0) 分类 美国总统每日发言

在这场即时演讲中,文化评论人Virginia Postrel探讨了魅力的真正含义和不同凡响的应用。她将其定义为任何被用来影响和劝服的经过考量和细致思忖过的影像。

发表于:2019-01-05 / 阅读(160) / 评论(0) 分类 TED公开课:美丽+潮流 表面之下

在一个伦敦那么大的城市里,每天都要消耗掉三千万吨粮食。但是,这些食物都从何而来?建筑师Carolyn Steel 探讨每天喂养一个城市的神话,介绍古代的食物运输如何影响城市的形成和发展。

发表于:2019-01-05 / 阅读(90) / 评论(0) 分类 TED公开课:吃吧

这位英国保守党领袖说,我们正在进入一个崭新的时代 -- 政府自身拥有更少的权利(和更少的钱),同时人民借助新兴科技则拥有更多的权利。利用行为经济学的新观点,他探讨如何将上述趋

发表于:2019-01-05 / 阅读(63) / 评论(0) 分类 TED公开课:世界权势大转移

开放资源的世界已学会了如何使用像Github一样的网络托管服务去处理大量新的,通常分歧的想法 - 那么,为什么政府不能呢?在这个热烈的探讨中,克雷。夏尔基展示了民主国家该如何向互联

发表于:2019-01-05 / 阅读(74) / 评论(0) 分类 TED公开课:群体的力量

黛安班考斯特探讨了她长达五年的异教信徒生涯。她以过来人的身份来分享她对异教及极端主义份子的想法,并为当今最困扰人的问题提出新见解。

发表于:2019-01-05 / 阅读(241) / 评论(0) 分类 TED公开课:头脑游戏

New Book Examines the Power of Young Introverts 新书探讨内向青少年的力量 Speak up! Put yourself out there! American society generally places high value on being friendly and speaking freely. That can can worry introverts. Introverts are p

发表于:2019-01-12 / 阅读(73) / 评论(0) 分类 2016年VOA慢速英语(六)月

AS IT IS 2016-04-12 Boston Newspaper Explores Trump Presidency 波士顿报探讨特朗普总统 This is Whats Trending Today. The Boston Globe is one of the most famous newspapers in the United States. On Sunday, The Globe made news when it publishe

发表于:2019-01-12 / 阅读(71) / 评论(0) 分类 2016年VOA慢速英语(四)月

Melting Glaciers on Climate Talk List in Paris 巴黎气候变化大会探讨冰川融化 Terrorist attacks in Paris are not expected to stop the United Nations from hosting a major climate conference in that city. Next week nearly 120 heads of state

发表于:2019-01-12 / 阅读(56) / 评论(0) 分类 2015年VOA慢速英语(十一)月

AS IT IS 2015-11-18 US Debates Admitting Syrian Refugees 美国探讨是否继续接纳叙利亚难民 Since the Paris terrorist attacks, a growing number of U.S. lawmakers want to close the door to Syrians. 巴黎发生恐怖袭击之后,越来越多

发表于:2019-01-12 / 阅读(54) / 评论(0) 分类 2015年VOA慢速英语(十一)月

Love's delight, intimacy, and warmth helps us overcome our fear of the world, 爱的愉悦,亲密,和温暖帮助我们克服对这世界的恐惧, escape our lonely shells, and engage more abundantly in life. 逃脱我们孤独的外壳,让我

发表于:2019-01-17 / 阅读(63) / 评论(0) 分类 TED演讲教育篇

Ah, romantic love, beautiful and intoxicating, heartbreaking and soul-crushing, often all at the same time. 啊...浪漫的爱情啊,美好又令人痴醉,伤心又断魂,通常所有的感觉会同时汇集在一起。 Why do we choose to put

发表于:2019-01-17 / 阅读(51) / 评论(0) 分类 TED演讲教育篇

In this Business English vocabulary lesson, we'll take a look at some common collocations related to some of the different approaches to training and training programs. 在这商务英语词汇课中,我们看看一些常用和训练方法和训练课

发表于:2019-01-18 / 阅读(79) / 评论(0) 分类 原汁原味商务英语播客

JEFFREY BROWN:And now to our interview with former Vice President Al Gore. Since he conceded the 2000 presidential election, Mr. Gore's of course become best known for his advocacy on climate change issues, work that led to both a Nobel Prize and an

发表于:2019-01-27 / 阅读(54) / 评论(0) 分类 PBS访谈环境系列

对外贸易与外贸关系 Foreign Trade Foreign Trade Relationship They mainly trade with Japanese firms.他们主要和日本商行进行贸易。 For the past five years, we have done a lot of trade with your company.在过去的五年中,我们与

发表于:2019-02-05 / 阅读(43) / 评论(0) 分类 实用英语

经典商贸英语词句 they mainly trade with japanese firms. 他们主要和日本商行进行贸易。 for the past five years, we have done a lot of trade with your company. 在过去的五年中,我们与贵国进行了大量的贸易。 our

发表于:2019-02-06 / 阅读(74) / 评论(0) 分类 实用英语

Hi, everybody. 大家好。 Over the past month, I've been visiting towns across America, 上个月我走访全国多个城市, talking about what our country needs to do to secure a better bargain for the middle class. 与人们交流如何为中产

发表于:2019-02-16 / 阅读(105) / 评论(0) 分类 奥巴马每周电视讲话

Oh,have a seat,thank you for being here and back at you all the energy 请坐啊 非常感谢你们能来这里 所有的热情我悉数奉还 I sent it right smack back at you,thanks 排山倒海送还热情于你们 谢谢 are you in good mood,me t

发表于:2019-03-04 / 阅读(102) / 评论(0) 分类 艾伦脱口秀