失去你，拥有世界又如何？ 用英文怎么说？

The whole world will mean nothing to me if I lose you.
汉语是个反问句，英文不一定也要翻译成反问句。

what's the least meaning to dominant the world in the cost of losing you?

You lose, how can the world?
这是在Google在线翻译上找到的

The world is nothing if i lose you

How would it be to own the world but losing you?

how was i have the world if lossing you ?