描述現(xiàn)象段

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

說明原因段

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

闡述觀點／說明段

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