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
Then, please tell him that Zhao Li called.
这样好了，请转告他赵力来过电话。
All our work was in vain.
我们白干了一场。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。