单词：avails
音标：[ә'veils] ；
n. 利益；纯利润；出售资产收入（avail的复数形式）
n a means of serving
v use to one's advantage
v be of use to, be useful to
v take or use
v use to one's advantage
v be of use to, be useful to
v take or use
avails的用法和样例：
例句
- This medicine is of no avail.这药无效。
- He said his union, Local504 of the Transport Workers Union, made "massive contract givebacks" over the years to help Pan Am with its financial troubles. "It was all to no avail, " he lamented.他说他的工会——运输工会504分会——历年来在合约上做了“极大的让步”以协助泛美［航空公司］纾解财务困难。“结果全然没用，”他哀伤地说。