英语四级作文必背的开头结尾万能句 There is an old saying省略.It is 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,省略,which have brought a lot of harms in our daily life.First,省略,Second,省略.What make
