警政对一个社区的事务的管理和控制，特别是对有关秩序、法律、健康、道德和安全的维护，以及其它影响到公共福利的事情
Regulation and control of the affairs of a community, especially with respect to maintenance of order, law, health, morals, safety, and other matters affecting the public welfare.
热心公益的以公共福利为动机或表现出对公共福利的热爱的
Motivated by or exhibiting devotion to the public welfare.
多数专家认为计算机对于解决人口增长、城市居住以及公共福利是不可缺少的。
Most experts agree that computers are essential to solving the problems of increasing population, city living and public welfare.
政府决定发展公共福利。
The government decided to promote public welfare.
