Asks
abbr. 可用座位公里, 客运运能（Available Seat Kilometres）
🗣️ 情景例句
What's up?
有什么事？
Prepare for a rain day.
未雨绸缪。
This idyllic pastoral scene is only part of the picture.
但这种田园诗般的乡村风光仅仅是一个侧面。