Queuing theory
[计] 排队论\\n[化] 排队论
🧩 词语组成解析
[经] 排队论
🗣️ 情景例句
Is it all right if I use a letter of credit?
如果我使用信用证，没关系吧？
I tried to call you, but the line was busy.
我试着给你打电话，但老占线。
But this is not a business that can be undertaken in a day or swiftly improvised by a mere command of the will.
但这并非一日之功，也不是单凭意志一蹴而就的事。