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)