语音讲解：
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　　定义：

　　ending up with the amount one started with

　　终结时和开始时的数目相同

　　例句：

　　Although sales were high，they had invested so much money in the business that they only broke even.

　　虽然销售额很高，不过，他们在这笔生意上投资了很多钱，所以他们只收回了本钱。