1. Please have him call me back at his convenience.
   请他方便时回电给我。
2. We've put in all the modem conveniences.
   我们这个房间里现代化设备应有尽有。
3. We find our folding table a great convenience.
   我们发现可折叠的桌子使用非常方便。
4. Papered together a new coalition of political convenience.
   为政治便利而匆忙形成的新联盟
5. Vacuum packed convenience food is easy to cook.
   小包装方便食品烹制简便。

　1个名词解释