四级作文现象解释型模板

描述现象段

Nowadays／Recently，there is a trend／phenomenon worth noticing. Moreover，it ＿＿＿＿。The reasons for this phenomenon are  complex／various.

说明原因段

The reasons can be attributed to the following factors. Firstly＿＿＿. Moreover，＿＿＿。Besides，＿＿＿＿。

阐述观点／说明段

In my opinion／I hold a positive／negative attitude towards the above.  For one thing＿＿＿。For the other＿＿＿。To conclude，＿＿＿。