1：The best way to solve the troubles is……解决这些麻烦的最好办法是……

2：As far as something is concerned,……就某事而言，……

3;It is obvious that……很显然……

4：It may be true that……but it doesn't mean that……可能……是对的，但这并不意味着……

5;It is natural to believe that……but we shouldn't ignore that……认为……是自然的，但我们不应忽视……

6：There is no evidence to suggest that……没有证据表明……