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)