Cointegration
n. 共整合现象
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
Where were you on Tuesday?
星期二你在哪里？
'And you didn't notice anything unusual?'
“您没有注意到有什么异常情况发生吗？”