This book contributes little to our understanding of the subject.

此书对我们了解这门学科助益甚少。

《牛津词典》

I went to the economics class straight from the botany class, which didn't help me any in understanding either subject.

我上完植物学课后直接去上经济学课，不过这对于我理解这两门科目都毫无帮助。

youdao

Tommy carried the conversation, at one point saying that understanding some subject or other required a mature intellect.

吃饭时基本都是汤米在说话，其间他说要理解某几门科目需要拥有“成熟的智力”。

youdao

The Environmental Film Festival in Washington plays an important role in helping increase understanding about a subject that is important for people all over the world.

VOA: special.2009.03.25

And I think that turns out to be a great key to understanding what's happening, and everything you hear from me on this subject I learned from Hanson.

我想这对于你们能否理解,我从汉森那里学到的一些知识,是极为关键的一点

耶鲁公开课 - 古希腊历史简介课程节选

It is that research and understanding of subject that helps build confidence in having the right to actually enter someone else's life with your camera.

BBC: Picturing mental health

In the classroom, a teacher in this category "demonstrates minimal understanding of the subject, " according to the school system.

WSJ: Newark Lays Off Newest Teachers, Even If They're the Best Teachers

Not enough cases have been tried in court yet, and many in the legal community lack understanding of the subject, UCITA opponents say.

CNN: Opponents blast proposed U.S. software law