Bivariate
[医] 二元变量
🗣️ 情景例句
Hey, why don't we go out
嘿，我们何不出去
I don't know what to say. I'd like to replace it.
我不知说什么好。我赔一个新的给你。
It would represent quite a savings.
这省下的可是一笔不少的钱哩。