警政對一個社區的事務的管理和控制，特別是對有關秩序、法律、健康、道德和安全的維護，以及其它影響到公共福利的事情
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.
熱心公益的以公共福利為動機或表現出對公共福利的熱愛的
Motivated by or exhibiting devotion to the public welfare.
多數專家認為計算機對於解決人口增長、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.
政府決定發展公共福利。
The government decided to promote public welfare.
