Offer is subject to availability

• 现货优惠； 卖完为止

Offer is subject to availability的用法和样例：

例句

1. I want to see the job through to the finish.
   我要看这项工作做完为止。
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。