Orasa
abbr. operational research and system analysis 操作研究与系统分析
🗣️ 情景例句
His restaurant is a real moneymaker.
他的餐馆真是很赚钱。
Rain comes after sunshine, and after a dark cloud, a clear sky.
晴日之后有雨水，乌云过去见青天。
The same policeman was just walking slowly past the entrance, when Patrick asked the same question.
昨天的那位警察正从门口慢慢走过，帕特里克上前问了和昨天同样的问题。