treaty和convention的區別

　　treaty的例句：

　　The new treaty establishes a free trade zone.

　　新條約設立了自由貿易區。

　　The Treaty has failed to arouse genuine public outrage.

　　該協定并未真正激起公憤。

　　We are feeling our way towards a treaty.

　　我們正試圖達到協定。