guìyuán shuō 'děng tōngzhī' shí, kěyǐ shùnbiàn wèn liǎng gè wèntí: dàgài duō jiǔ tōngzhī

柜员说“等通知”时，可以顺便问两个问题：大概多久通知？

When the teller says 'wait for notification', you can ask two questions: about how long will the notification take?