Olse
abbr. ordinary least square estimator 常规最小二乘方估算器
🗣️ 情景例句
Sit down. Sit down.
请坐。请坐吧。
Would 1:00 be convenient?
1点钟行吗？
Inevitably the repair job was not quite so simple.
事实上，修理工作远不是那么简单。