现象说明文

Recently _______,what amazes us most is______________,it is ture that__________.

There are many reasons explaining__________________________.The main reason is____________________.

what is more_________________________.thirdly__________________________.As a result_______________.

Considering all there,________________________.For one thing_____________________,for another________

____.In Conclusion____________________.

一种事物或现象(负面意义倾向)