Unep
abbr. 联合国环境规划署（United Nations Environment Programme）
🗣️ 情景例句
What a wonderful morning!
多么美好的早晨！
We intend to place large regular orders, and would therefore like to know what quantity discounts you allow.
我方将定期大量订购，因此想知道你方给多少数量折扣。
Reading is only a partial solution,
看书只能解决部分问题。