刚和小学生学的 mode，这里的 悠悠 就是这个意思吧

来源: 于 2023-09-16 15:20:46 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

The mode is the number in a set of numbers that appears the most often. The mean of a set of numbers is the sum of all the numbers divided by the number of values in the set. The mean is also known as the average.

得意