The minister was sent to Spain on mission.这位部长奉命前往西班牙。
This is a top-secret mission.这是一个极机密的任务。
She felt that her mission in life was to help old people.她认为帮助老年人是她的天职。
A Chinese trade mission has been dispatched to Japan.一个中国贸易代表团已被派往日本。

［同义词］   task
［词源］＜拉丁语misso＜mittere(送出,派出)