Don't you think it essential that every resident of Nanjing should spare no effort to make contributions to Nanjing 2014 Youth Olympic Games?

你不认为每一个南京人民都应该不遗余力地为南京2014年青奥会做出贡献吗？

We should make contributions to our cause.

我们应为我们的事业作贡献。

It is our duty to make contributions to our motherland.

为祖国做出贡献是我们的责任。

Deselect the "This plug-in will make contributions to the UI" option.

取消对“This plug - in will make contributions to the UI”选项的选定。

I persuaded myself that I could make contributions to the motherland.

我相信我能为祖国作出贡献。