Bls
abbr. （美）劳工统计局（Bureau of Labor Statistics）；文科学士（Bachelor of Liberal Studies）
🗣️ 情景例句
May I help you, sir?
需要我帮忙吗，先生？
You'd have a better chance of catching the train if you took a bus to the station instead of walking.
如果你不是步行而是乘公共汽车的话，那你就比较有可能赶上火车。
It has 102 storeys and 73 lifts.
有102层楼，有电梯73部。