public utilities such as gas, electricity and phones.

煤气、电和电话等公用事业。

Belief in the utility of higher education is shared by students nationwide.

全国各地的学生都相信高等教育是有用的。

an emphasis on the practical utility of scientific knowledge.

对科学知识实用性的强调。

Consumers seek to maximize the utility or satisfaction to be derived from spending a fixed amount of income.

消费者们寻求将花费一部分收入后获得的实效和满足感最大化。