短语讲解:
1. In contrast, impromptu means you do something without preparing ahead of time.
in contrast 相比之下
例句:In contrast,Americans tend to spend more than they have.
相反,美国人倾向超前消费。
2. You and your friends are very happy to see each other.
each other 互相
例句:Both girls write to each other regularly now.
两个姑娘现在定期互相通信。
3. In fact, let’s say two of your old college friends – we’ll call them Marco and Amelia – were once caught cheating on an exam.
in fact 事实上
例句:They were in fact casual.
事实上,他们确实不修边幅。