Coalbox
n. 煤箱,发黑烟的炸弹
🗣️ 情景例句
It's not your fault.
那不是你的错。
We must make it clear from the very beginning that competitive quotations are acceptable.
必须一开始就讲清的是，有竞争力的报价可以接受。
It was a pleasure. Bye!
不客气。再见！