the chilren are paid for doing some housework,so that they can learn to make money for their own—

问题描述:

the chilren are paid for doing some housework,so that they can learn to make money for their own—
“the chilren are paid for doing some housework,so that they can learn to make money for their own”后面填一个“u"开头的单词,是什么?

utility
效用、用途