In every stages of cognition, where there is experience, theory has very important active function.

在认识的任何一个环节中，只要有经验出现的地方，理论都发挥着重要的作用。

youdao

In every stages of cognition, where there is experience, theory has very important active function.

在认识的任何一个环节中，只要有经验出现的地方，理论都发挥着重要的作用。

youdao