I hope I can make contribution to the society.

让我对这个社会做更多的贡献。

Be a man who can make contribution to your hometown and country!

做一个对家乡对祖国有用的人！

More and more people make contribution to stop the global warming.

越来越多的人做出贡献来阻止全球变暖。

More and more people make contribution to stop the global warming.

越来越多的人为阻止全球变暖做出贡献。

So, when I grow up, I think I have to make contribution to my country.

所以，我长大之后了，我要为我的祖国做贡献。