Once infection occurs, however, they are of little value to already infected plant tissue.

一旦感染发生，但是，它们没有什么价值的已被感染的植物组织。

youdao

It was carelessly, at first, like a man chiefly accustomed to look inward, and to whom external matters are of little value and import, unless they bear relation to something within his mind.

起初，他的目光只是随随便便的，象是一个习惯于洞察他人内心的人，除非外表上的什么东西与内心有关，否则外观便既无价值又不重要。

youdao

The fact that they are downstream of the design and development processes may indicate to some that they have little value to add to a discussion about requirements.

实际上他们是设计和开发过程的下游，可能对增加需求讨论还有一定的价值。

youdao

But beans are used to describe something of very little value in the expression, not worth a hill of beans.

VOA: special.2010.01.31

Having hospitals are of little value when there are no physicians walking the halls to care for us.

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Analysis, doubt, and reflection are of little value now.

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International transfer passengers who never leave the airport are useful to the airline industry, but they are of little wider economic value.

ECONOMIST: Business travel