validity of offer

• 报盘有效期

validity of offer的用法和样例：

例句

1. The offer is open for three days.
   该报盘有效期为三天。
2. You must accept the offer within its validity period, otherwise we'll withdraw it.
   贵方必须在报盘有效期内接受此盘，否则我们将撤盘。