学习知识要善于思考，思考，再思。

To learn to be good at thinking, thinking, and then think of.

youdao

学习知识要善于思考，思考，再思考。

Learning knowledge to be good at thinking, thinking, think again.

youdao

学习知识要善于思考，思考，再思考。

Learning knowledge to be good at thinking, thinking, think again.

youdao