经济学人下载:优化浪漫 恋爱中的经济学(下)

例句:All marriage break-ups are traumatic.
所有的婚姻破裂都是痛苦而难忘的。

2.mutual attraction 相互吸引

例句:Now, openly they accepted the mutual attraction they felt for each other.
现在，他们接受公开的相互吸引，他们彼此感受。 

3.in turn 转而；轮流

例句:The girls took it in turn to wipe down the tables after meals
女孩子们饭后轮流擦桌子。

4.in the first place 首先；起初

例句:I don't think we should have been there in the first place.
我认为我们从一开始就不该在那儿。