Trading mechanics
[经] 贸易(商业)机构
🧩 词语组成解析
[经] 交易
🗣️ 情景例句
You're just wasting your breath.
你在白费口舌。
Mere words will not fill a bushel.
空言无补。
The main school holidays are from mid-December till early February when the days are long and warm.
学校主要的假期从12月中旬起至第二年的2月初为止，这段时间白昼很长，气候也暖和。