S-28:swear by 十分推崇
A:What are you doing?
A:你在干吗？
B:I am reading a book which the professor swears by.
B：我在读一本教授十分推崇的事。
A:Is it interesting?
A：有趣吗？
B:No, not interesting, but it does good for our study.
B：不，不是有趣，但对我们的学习非常有好处。
