Question

那就是学习另一门语言为什么是重要的（翻译）

Answer 1

That is why to study another language is important.

Answer 2

那就是学习另一门语言为什么是重要的
That is why learning another language is so important.

Answer 3

that is why important to study another language

Answer 4

That is why is important to learn a second language