They may define their contribution too narrowly.

他们可能把他们的贡献说得太狭隘了。

《柯林斯英汉双解大词典》

I don't wish to diminish the importance of their contribution.

我并不想贬低他们所作贡献的重要性。

《牛津词典》

Wild places need encouraging for this reason, no matter how small their contribution.

出于这个原因，保护野生环境需要得到支持，不管它们的贡献有多小。

youdao

On hand to greet them was Chairman of the Joint Chiefs of Staff Admiral Mike Mullen, who posed for photos with each veteran and hailed their courage and their contribution to U.S.history.

VOA: standard.2009.11.04

Although it is easy to remember that later in the dialogue most of their contribution seems to be " of the form of "Yes Socrates, no Socrates," they seem to be rather passive interlocutors.

但很明显地,他们在稍后对话中的,绝大部份贡献似乎是反复的,“Yes，苏格拉底，“、，“No，苏格拉底“,他们是相对被动的对话者。

耶鲁公开课 - 政治哲学导论课程节选

"I think a lot of European allies, including France, are looking to the United States to roll out a new Afghan strategy that they can more comfortably buy into, and they will be looking at whether they can up their contribution, their military contribution, their economic contribution, after they have seen that particular strategy,"

VOA: standard.2009.03.29

At the time they were told that their contribution was vital for the nation's security.

BBC: Transcript: Trial and Error

But families with less income can mentor their children through the process without matching their contribution.

FORBES: Fund a Teenager's Million-Dollar Retirement

If a patent starts to generate revenues, the researchers receive a share according to their contribution.

FORBES: Toshiba replies