busy on exit

• 出口忙碌

busy on exit的用法和样例：

例句

1. Their boss kept them all on their toes.
   他们的老板让他们一天到晚忙碌着。
2. They lead a busy and colourful life on the campus.
   他们在大学里过着忙碌而又丰富多彩的生活。