1.as an old saying goes,.正如一句古老的谚语所说
2.be nothing but... .不过就是...
3.from where i stand. 从我的立场来说
4.give oneself a chance to.给某人一个机会去...
5.i feel sure that...我坚信...
6.is the best way to make sure that.确保...的最好办法是...
7.we must do our absolute best to.我们必须竭尽全力做...
8.there is no denying the fect that...无可否认.
9.nothing is more+adj.+than to+v.没有比...更重要的了
10.主语+cannot emphasize the importance of.too much 再怎么强调..的重要性也不为过
11.pose a great threat to... ...对..造成了一大威胁（eg.Pollution poses a great threat to our existance.)
