那只是在满足某一种需求。

That is simply supplying a certain demand.

youdao

如果你不喜欢某一种大豆，你可以去买另一种。

If you don't like a particular kind of big beans, you can go and buy another.

youdao

多使用某一种媒体并不一定意味着另一种媒体使用得更少。

Using more of one type of media does not necessarily mean less of the other.

youdao

To say that there is evil in any institution is only to say that it is a human institution."

如果说邪恶一定存在于某一种制度中,那一定是在人们心中

耶鲁公开课 - 美国内战与重建课程节选

They saw certain patterns or certain ways of elaborating patterns that the teachers were talking about and, lo and behold, the fifty minutes was over and everybody had had a pretty good time.

他们听着老师以某一种,特别的方式进行讲解，瞧，短短的五十分钟很快就过去了！,而且每个人都听得很开心。

耶鲁公开课 - 文学理论导论课程节选

And all ion channels are selective for a single type of ion, and we can think about how that selectivity takes place, and that's where this idea of atomic radius is going to become very important.

所有的离子通道都是仅对某一种离子具有选择性的，而我们可以来想一想这种选择性是如何发生的，这也就是原子半径这个概念将会变得，非常重要的地方。

麻省理工公开课 - 化学原理课程节选