向世界证明我存在 用英文怎么说！！？？

prove my presence to the world
同意楼上的 existence貌似不恰当

I have to prove to the world the existence of me

Prove to the world that I exist

To declare my existence to the world

proved that I exist To the world.

to tell the world that i am living

别一证明就prove一存在就exit，很枯燥啦！