愉悦口语:第789期 来龙去脉英文怎么说
英语课
the ins and outs 复杂细节,前前后后,来龙去脉
Mike knows the ins and outs of the city.
麦克对这座城市了如指掌。
Be sure to understand the ins and outs of the platform.
一定要对这个平台有彻底的理解。
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愉悦口语