1、开头；（1）（1）As far as …is concerned 就……而言。（2）It goes without saying that… 不言而喻，…。（3）It can be said with certainty that… 可以肯定地说……。（4）As the proverb says，正如谚语所说的。（5）It has to be noticed that… 它必须注意到，…。（6）It’s generally recognized that… 它普遍认为…。2、结尾；（1）Some people think that … 有些人认为…To be frank.I can not agree with their opinion for the reasons below.坦率地说，我不能同意他们的意见，理由如下：