Since, can not give you happiness, why to do.

既然，不能给你幸福，何必靠近呢。

He knew when to do it, how to do it, why to do it, and why not to do it.

他知道何时去做,怎么做,为什么做,为什么不。

Just learned SEO I do not know from why to do it, read many materials but or very confuse awn.

刚学SEO我不知从何下手，看了不少资料但还是很迷芒。

Why to do long and bow when washing the dress, metropolis waist aches ?

为什么做久了和弯腰洗衣服的时候都会腰疼啊？。