-
There is are much more complex reasons behind why we see her spinning in different directions.
缘何我们看到她在不同方向旋转,其后有更复杂的原因。
-
It has complex reasons, showing a wide variety of forms, very dangerous to society, so the prevention and control is a very difficult task.
它产生的原因比较复杂,表现出的形式多种多样,社会危害性相当巨大,预防和治理的任务十分艰巨。