（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），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_. Its 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。Today, _, which have brought a lot of harms in our daily life. First, _ Second, _. What makes things worse is that_.4. 现在，很普遍，许多人喜欢，因为，另外（而且）
