Olse
abbr. ordinary least square estimator 常规最小二乘方估算器
🗣️ 情景例句
We have a baby now.
我们现在有一个小宝宝了。
Labour is often the father of pleasure.
勤劳常为快乐之源。
'You certainly did give me a surprise!' said the vicar.
“你确实使我大吃了一惊！”牧师说，