我们要总结正反两方面的经验，把必要的规章制度恢复或建立起来。

We should sum up both positive and negative experience and restore or establish such rules and regulations as are essential.

youdao

我们要总结正反两方面的经验，把必要的规章制度恢复或建立起来。

We should sum up both positive and negative experience and restore or establish such rules and regulations as are essential.

youdao