实用

1. 一般认为像木工和烹饪之类的实用课程不如数学重要。
   Practical lessons, like woodwork and cookery, are not considered as important as maths.
2. 他们的研究项目实用价值很有限。
   Their research project has limited practical utility.
3. 你收集到的大部分情报没有实用价值。
   Much of the information you have gleaned is of no practical use.
4. 这本书理论性太强，我需要一本实用的。
   This book is too theoretical; I need a practical one.
5. 你的发明不实用。
   Your invention is not practical.

实的英语翻译：

用的英语翻译：