Mathematical expectation
[计] 数学期望
🧩 词语组成解析
🗣️ 情景例句
I'll doing fine, too.
我也很好。
That's nice. Where?
好啊，去哪儿了？
In primitive cultures the obligation to seek and to receive the traditional instruction is binding to all.
在原始文化中，寻求和接受传统教育的义务对全民都有约束力。