在学校里我们只学到不多不少八十分或者其他我们选择的分数。
In school we do just enough to get an "a" or whatever grade we have chosen as our goal.
打美国的电话价格是每六秒八十分人民币加百分之十五的服务费。
The price of a call to USA is 80 cents per six seconds plus 15% service charge .
对他来说，他已经是个不同的人了，这次租借被他打了个七八十分。
And for him, he's a different person after the spell he rates "seven or eight out of 10".
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