雅思作文常用句套及细节词汇(提出原因)

　　雅思考试作文抢分秘笈:常用句套及细节词汇

　　提出原因：

　　There are many reasons for ...

　　Why .... , for one thing,...

　　The answer to this problem involves many factors.

　　Any discussion about this problem would inevitably involves ...

　　The first reason can be obiviously seen.

　　Most people would agree that...