我们应当坚持理论来源于实践的观点。

We stick to the point that theory comes from practice.

youdao

理论来源于实践，又反过来指导实践。

Theory comes from practice, and also directs practice.

youdao

理论来源于实践又反过来为实践服务。

Theory begins with practice and in turn serves practice.

youdao

理论来源于实践。

Theory comes from practice.

youdao

所有的理论都来源于实践，并反过来为实践服务。

All theories originate from practice and in turn serve practice.

youdao

任何理论都来源于实践，反过来为实践服务。

All theories originate from practice and in turn serve practice.

youdao

任何理论都来源于实践，反过来为实践服务。

All theories originate from practice and in turn serve practice.

youdao