2017年12月英语六级作文指导:表示态度
表示好处和坏处
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
表示重要、方便、可能
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.