He is good at reading and writing, but he wishes he knew how to understand and speak better.
他的阅读和写作是强项,但他希望知道怎样去理解和说得更好。
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
对于噪音问题,需要对大量生活在噪音中的人进行研究,