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
If you want to go sightseeing, a ferry trip is usually pretty cheap.
如果你想观光，坐船通常是比较便宜的。
I'm going to send her six bags.
我要送给她六袋。
' But they don't realize one important thing.
”然而他们没有认识到重要的一点，