这种颠倒黑白的日子，长时间会不会把人
逼疯，神经错乱？
it doesn't mean nightshift but
our society is so murky.
the fifth floor wangxin's remark
is quite proper,but it's easier
said than done.how to be a man
who correct himself when he has
erro or encourage himself when
there is no mistake in him?
