It's an interesting scientific phenomenon, but of no practical use whatever.这是一种有趣的科学现象，但没什么实用价值。His research has been of little practical value.他的研究没有什么实用价值。The theory bears little relevance to practice.这一理论基本没有实用价值。Much of the information he gleaned was of no practical use.他所搜集的许多信息没有实用价值。