Commercial efficiency
[化] 经济效率\\n[经] 商业经营效率, 经济效率
🧩 词语组成解析
🗣️ 情景例句
No.
不会的。
I'll play it by ear.
我将随兴而定。
Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。