1. As the proverb says, 正如谚语所说的,
2. It goes without saying that... 不言而喻,...
3. There,s no denying the fact that...毫无疑问,无可否认
3. It has to be noticed that... 它必须注意到,...
4. What calls for special attention is that...需要特别注意的是
5. It,s hardly too much to say that... 它几乎没有太多的说…
