Is it only on the world market_we can prove the competitiven

Is it only on the world market_we can prove the competitiven the world is only The death only can prove that,I have lived. The death only can prove that,I have The world is on 英语翻译The sun is always shining.But it can only shine on one s The sun is aways shining.But it can only shine on one side o it is the only planet whose surface can be seen （）earth.用on和 It is the only the facts prove that the world is economic development is no I can't feel your world,the only thing I can do is just say the world is always on