advance call

例句：

1. 1. The company is planning to send out an advance call for the new product launch.
   公司计划提前通知大家新产品的发布。
2. 2.She made an advance call to her friend before leaving for a business trip.
   她提前给朋友打了电话，准备去出差。
3. 3.The bank issued an advance call to all customers about the upcoming interest rate hike.
   银行提前通知所有客户即将加息的消息。