例：According to this study, women have made notable gains at the expense of men.

　　根据这项研究，女性以牺牲男性的利益为代价而取得了显著收益。

　　6.PHRASE If you say that someone does something at the expense of another thing, you are expressing concern that they are not doing the second thing, because the first thing uses all their resources. 以牺牲 为代价

　　例：The orchestra has more discipline now, but at the expense of spirit.

　　该管弦乐队现在更有纪律了，但却牺牲了士气。

　　7.PHRASE If you go to the expense of doing something, you do something that costs a lot of money. If you go to great expense to do something, you spend a lot of money in order to achieve it. 花大钱

　　例：Why go to the expense of buying an electric saw when you can borrow one?

　　你能借到电锯，却为何去花钱买呢?

　　常见用法

　　用作名词

　　Its too much of an expense for me to own a car.

　　对我来说，拥有一辆汽车的花费太大。

　　Societies should try to save every plant and animal species, regardless of the expense to humans in effort, time, and financial well-being.

　　社会应尽力挽救每一动植物物种,不管花费多少人力、时间和财力。

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