提示：紧急应付写作考试，雕虫小技不用多，有用则灵。一组只举5个例子示范（一篇雅思 -托福 短文用不上三个）。其它用语如On the one hand,... On the other hand,... The argument is based on
both social and economic points of view. 等等，都很管用。
1>Making an impersonal argument in introduction: (avoid using 'I','me', 'my') 引言：猫头鹰不喜欢用第一人称写议论文。
—It is often said that....
—A common opinion is that....
—It can be argued that....
—It is generally accepted that....
—A popular belief is that....
2>Commenting: 评论
—Of co
