会说很多种语言可以占很大的优势 求英语翻译

可以用形式主语 it 翻译，也可以变通翻译。
It would be in the great ascendant to be able to speak several kindsof languages.
It would be a good advantage to be able to speak multi-languages.
If one is able to speak more languages, he would be in a great ascendant.

Being able to speak many languages would be a great advantage.

Being able to speak many kinds of languages can make yourself in a dominant position.

Being multilingual gives you a lot of advantage.

Its a great advantage for a person who can speak many languages