Use Until Exhausted

• 用完为止

Use Until Exhausted的用法和样例：

例句

1. He kept writing the essay until he had cleaned it up.
   他继续写论文直到写完为止。
2. Some people stay at their offices far late until the work is done.
   有些人很晚了还呆在办公室，一直到把工作做完为止。