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……
1?It is important(necessary/difficult/convenient/possible)for sb to do sth.对于某人做……是……
2?It plays an important role in our life.
1?It has the following advantages.它有如下优势
2?It is beneficial/harmful to us.==It is of great benefit/harm to us.它对我们有益处
3:It has more disadvantages than advantage.他有很多不足之处