1.While many people attach great importance to this issue, no real effective actions have been taken to solve it. Therefore, we should do our utmost in doing something to solve it.
2、After a good many years of efforts to/ enthusiasm for..., people begin to...
例句：After a good many years of enthusiasm for fighting in the city, people begin to try to live a comfortable life in the country.
3、Recently, the problem of...has aroused people's concern.
例句：Recently, the problem of abandoning animals has aroused people's concern.
4、As far as I am concerned, the advantages of...is more than disadvantages.
例句：As far as I am concerned, the advantages of establishing library in town is more than disadvantages.
5....has been playing an increasingly important role in our day-to-day life. It has brought a lot of benefits but has created some serious problems as well.
例句：Internet has been playing an increasingly important role in our day-to-day life. It has brought a lot of benefits but has created some serious problems as well.
6、Nowadays, ...has become a problem that we have to face.
例句：Nowadays, obesity has become a problem we have to face.
7、Taking all these factors into consideration, we naturally come to the conclusion that…
例句：Taking all these factors into consideration, we naturally come to the conclusion that studying abroad is good.
8、For instance/ for example/ take...as an example
例句：For instance, Lily get up early to read book every day.
9、On the one hand..., on the other hand...
例句：On the one hand Internet has brought great benefits to us, on the other hand it also destroyed many children's studying dream.
10、It is commonly believed that…
例句：It is commonly believed that working in the big company is better than small company.