经济学人下载:车辆引擎管理:省油的电脑程序(2)

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例句:You'd be mad to work with him again.

你要再和他一起工作那简直是疯了。

2.in advance 提前

例句:The subject of the talk is announced a week in advance.

会谈的主题已提前一周宣布。

3.topped up 加满；充值

例句:We topped up the bus with oil.

我们给汽车加满了汽油。

4.at least 至少

例句:He's been away for at least a week.

他走了总有一个星期吧。