文章插圖
1、It is well-known to us that……（我們都知道……）==As far as my knowledge is concerned,就我所知 。
2、Recently the problem of…… has been brought into focus. ==Nowadays there is a growing concern over ， 最近……問題引起了關注 。
3、Nowadays（overpopulation）has become a problem we have to face.現今，人口過剩已成為我們不得不面對的問題 。
【四級作文句型】4、Internet has been playing an increasingly important role in our day-to-day life. It has brought a lot of benefits but has created some serious problems as well.互聯網已在我們的生活扮演著越來越重要的角色，它給我們帶來了許多好處但也產生了一些嚴重的問題 。