I think at the beginning of each book a brief introduction to it is necessary.

我认为每本书开头的简短介绍都是很有必要的。

youdao

This article makes a brief introduction to it, and discusses the problems coming along in carrying out.

本文对其必要性作以介绍，对在实施中出现的问题加以讨论。

youdao

Again, this is just a very brief introduction to the causes of Third World poverty, but it serves as an illustration for what we in the First World can do to help.

重申一下，这里只是很简短地介绍一下第三世界贫困的缘由，不过可以据此说明我们第一世界的人可以做些什么来向他们提供帮助。

youdao

Different Jews have different opinions about how that works and the past few centuries have been an interesting experiment with modernity and how Jew is gonna face that and react to it So that's sort of just a brief introduction to Orthodox Judaism.

不同的犹太人有着不同的看法,那是如何实现的，而且过去的几百年,就是对现代性一个很有趣的实验,也是对犹太人将如何,面对并且回应它,这只称得上是,对犹太教正统派的简单介绍。

普林斯顿公开课 - 人性课程节选