Vortex theory

vortex ['vɔ:teks]

n. [航]涡流;[物]涡旋;（动乱，争论等的）中心;旋风;

theory ['θiəri]

n. 学说;理论;原理;推测;

theor思考 + y 抽象名词 → n. 理论,原理;学说;意见,看法

You have nothing to worry about.

你没有什么好担心的。

How long will it take you to repair it?

你要多久才能修好它？

Other books are for reading slowly and carefully. If it is a book on a subject that you are interested in, you will want to chew and digest it. That does not mean reading it too slowly. When you pick up a book for the first time, check that it is not to

还有一些书是要慢慢地、仔细地阅读的。如果有一本书谈论的题目你很感兴趣，你就想“咀嚼、消化它”。这并不意味着要读得太慢。当你第一次拿起一本书的时候，你得检查一下，这本书不是太难读。除非从头几页书中你能看出这是一本你容易读懂的书，否则你就不要去读它。