Unified purchase and sale
[经] 统购统销
🧩 词语组成解析
a. 统一的；一致标准的
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
sale
[seil]
n. 卖，出卖;销售额，销售;销路;拍卖;
🗣️ 情景例句
This dog is well trained.
这只狗受过很好的训练。
I ought to tell him the whole story.
我应该告诉他整个事情的始末。
He put a glass dish with sugar water and honey to the west of the hive. A marked bee fed itself from the dish and returned to the hive.
他在蜂箱的西面放一个装有糖水和蜜蜂的玻璃碟子。