Esco
abbr. 节能服务公司（Energy Service Company）；联合国教科文组织（Educational, Scientific and Cultural Organization）
🗣️ 情景例句
I did my thesis on Sino-American Business Relationship.
我做的论文题目是中美贸易关系。
Her blouse is behind the desk.
她的上衣在书桌后面。
You can't buy them in the shop before eight o'clock.
上午八点之前你在商店里是买不到东西的。