Iet
abbr. 国际排放贸易, 指发达国家相互转让它们的部分“允许的排放量AAU”（International Emissions Trading）
🗣️ 情景例句
You bet I do!
你可以打赌我当然认识。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
He's our office assistant.
是我们办公室的勤杂人员。