效用的不满足性不再维持。

The non-satiation of utility does not stand any longer.

youdao

效用是一个主观的概念，涉及每一个人对于自身满足感和幸福的主观判断。

Utility is a subjective concept, covering everyone's subjective judgement on their sense of satisfaction and happiness.

youdao

因此，字符串 samuelclemens 满足条件，但是它的长度显然超出了有效用户名的范围。

Thus, the string samuelclemens fits the criteria, but it is obviously too long for a valid user name.

youdao