Cass
abbr. 货物财务结算系统（Cargo Account Settlement System）；指令主动声纳浮标系统（Commanded Active Sonobuoy System）
🗣️ 情景例句
Nobody. That's the problem.
没有人。这就是问题所在。
That depends.
那要看情形了。
I really enjoyed myself.
我玩得很开心。