commit源自拉丁语committere，放在一起，最初的意思是字面上的加入、连接，后来才有了安全、委托、实施的含义。 commit something to memory最早出现在1875 ...

ADDIS ABABA, May 25 (Xinhua) -- African Union (AU) officials have called on all Africans to commit themselves to building a united, strong and prosperous Africa, capable of speaking with one voice in ...