pái duì
排队上车丨比喻用法把问题排排队，依次解决。
pái duì shàng chē | bǐ yù yòng fǎ bǎ wèn tí pái pái duì, yī cì jiě jué.
Queue up to board the vehicle | Metaphorical usage: line up the problems in order and solve them one by one.