1. 关于……人们有不同的观点。一些人认为…… There are different opinions among people as to ____ .Some people suggest that ____. 2. 俗话说(常言道)……,它是我们前辈的经历,但是,即使在今天,它在许多场合仍然适用。 There is an old saying______. It’s the experience of our forefathers,however,it is correct in many cases even today. 3. 现在,……,它们给我们的日常生活带来了许多危害。首先,……;其次,……。更为糟糕的是……。 ...