一)段首句 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)……There is an old saying______. 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……。 Today, ____, which have brought a lot of ha...