Tetrachoric correlation
四分相关
🧩 词语组成解析
四项的
🗣️ 情景例句
Any discount, OK?
可以打个折扣吗？
That was a close call.
太危险了。
Yes, there is. Walk along this road, and take the fourth turning on the left.
是的，有。沿这条道走，然后在第四个路口向左拐。