Learning a new language can broaden one's horizon.

学习新语言能大开眼界。

Reading different books can broaden one's horizon.

阅读不同的书籍可以大开眼界。

Reading is really good to a person because we can learn a lot from books and broaden one's horizon.

阅读是很好的一个人因为我们可以学到很多从书本和开阔眼界。