After we have taken a step,we must review what we have done to find out what needs to be speeded up,what needs to be slowed down and what needs to be contracted. That is the way we have to proceed; we must not rush headlong into things.

• 我们每走一步都要总结经验，哪些事进度要快一点，哪些要慢一点，哪些还要收一收，没有这条是不行的，不能蛮干。