batch save-restore

例句：

1. 1. The company has a large batch of orders waiting to be processed.
   这家公司有一大批订单等待处理。
2. 2. They have a batch of students who are preparing for the exams.
   他们有一群学生正在准备考试。
3. 3.The chef prepared a batch of cookies for the party guests.
   厨师为派对客人准备了一批次饼干。