Concessional sale
[经] 优惠销售
🧩 词语组成解析
a. 让步的, 容许的\\n[法] 让步的, 特许的, 优惠的
sale
[seil]
n. 卖，出卖;销售额，销售;销路;拍卖;
🗣️ 情景例句
instead of redesigning the entire system.
而不必重新设计整套系统。
No pleasure without alloy (or pain or repentance).
乐中有悲。
Many people in industry and the Services, who have practical experience of noise,regard any investigation of this question as a waste of time;
在工业部门工作和在军队中服役的许多人对噪音有切身的体会，他们认为对这个问题进行调查是浪费时间，