This book is too theoretical; I need a practical one.

这本书理论性太强，我需要一本实用的。

youdao

Moreover, it is not only a theoretical problem, but also a practical one.

它既是一个理论问题，又是一个实践问题。

youdao

Cognition model is different from a practical one.

认知模式不同于实践模式。

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Cognition model is different from a practical one.

认知模式不同于实践模式。

youdao