好像也没怎么眨眼，两个星期就溜走了。来去匆匆，感叹人生！

为了“避寒”，这次回国期间去三亚讲课、辅导学生写作3-4天。喜欢那里的学生、食堂，当然，还有那里的气温、空气和大海。

今天写博客，是想分享一下自己最近的感想：英语是靠学，而不是靠教。（想跟我学英语的不少，但是，感觉我非常失败。最后，找到这个原因／借口。）不同意的请留言。

极力推荐一本教科书: College Writing Skills with Readings, Ninth Edition (美国大学英语写作第九版) by John Langan (available on jd for less than RMB70)。不喜欢这本教科书的请留言。

如果我教科技英语写作课（32 学时），我会用这本书。

How to spend the 32 hours: 20 hours for scientific writing (2 hr daily, for two weeks if teaching daily, or one week at a time), 10 hours for reading and discussion (1 hr daily, for two weeks; discussion may require a smaller group, say 10-12 students for each group), and two hours for mid-term and final. Your comments are welcome. (Updated: I have decided to teach two hours daily.)