一、引出开头 1：It is well-known to us that……(我们都知道……)==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……问题引起了关注) 3：Nowadays(overpopulation)has become...
阅读更多