The paper seems to me of no practical importance.
这篇论文在我看来没有什么实际意义。
a teacher with practical experience
有实践经验的教师
We will listen to your problems and offer you practical advice.
我们会倾听你的问题,并提供切实可行的建议。
You must try to be a little more practical.
你必须努力变得更务实一些。