虽然这不是主要原因，但绝对在很多时候是一个障碍。

Certainly not the main reason that people don’t get what they want, but in so many cases it is the obstacle.

youdao

经费的短缺和不断上升的大学学费也不是主要原因。

Nor is it primarily a shortage of funding or rising college tuition costs.

youdao

我回答说工资并不是主要原因，我想当个医生才是最主要的。

I answered that salary was not the primary reason, and I want to be a doctor was the important one.

youdao

So that would suggest that education is probably not going to get the job done, because that's not the main driving reason because most people know that they shouldn't eat so much junk food, but education is what we default to when we think about what to do.

所以你们可能认为,教育并不能解决这个问题,因为这不是主要原因,大部分人都知道不该吃那么多垃圾食品,教育是思考解决方法时被忽略了的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选