Informs
abbr. 运筹学和管理学研究协会（Institute for Operations Research and the Management Sciences）
🗣️ 情景例句
Could you please give me a receipt?
给我一张发票。
Easier said than done.
说时容易做时难。
Would it be too much to ask you to respond to my question by tomorrow?
可以请你在明天以前回复吗？