While many parents are putting money aside for college tuition, some are taking on another big expense: buying cars for their teenagers.
许多父母在将钱留作大学学费时，然而有些则在进行另一项巨大开支：为他们十几岁的孩子们买车。
《柯林斯英汉双解大词典》
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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？
《柯林斯英汉双解大词典》
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They may want to know that the product they're buying hasn't been made at the expense of the people who are producing it, whether it's in this country or abroad.