重点讲解：
1. introduction to
引言；序言；导论；
eg. Ellen Malos, in her introduction to 'The Politics of Housework', provides a summary of the debates.
埃伦·马洛斯在她为《家务政治学》一书所作的序言中对这些争论进行了总结。
eg. I have almost finished my introduction to the book.
我几乎完成了书的引言。
2. find out
（尤指特意通过努力）发现，找出，查明；查出…的不轨行为；揭发出；
eg. Yesterday, the men's families held a news conference in their campaign to find out the truth...
昨天，这些男子的家人举行了记者招待会，以发起查明真相的运动。
eg. We'd better find out how the land lies before taking any action.
我们最好把情况弄清楚再采取行动。
eg. Her face was so grave, I wondered for a moment if she'd found me out.
她的表情如此严肃，我一时怀疑她是不是已经知道了我干的事。
3. eye opener
令人大开眼界的事物；
eg. This summer's tour was an eye-opener for her. For the first time ever, the halls were not fully booked.
今夏的旅游让她大开眼界。有史以来，礼堂第一次没有预订满。
eg. Writing these scripts has been quite an eye-opener to me. It proves that one can do anything if the need is urgent.
编写这些剧本让我眼界大开，它证明了情急之下人可以做到任何事情。