principlesn.原则；原理；道义；节操名词principle的复数形式.principles of matching配套原则principles of evidence证据规则principles of contract合同通则Principles of legality法律原则principles of business经营原则principles of teaching教学方针principles of heredity遗传原理principles of training培养原则principles of contrast对照原则Principles of Dressing着装原则

1. Social justice is the keystone of their political program.
   社会公平是他们政治纲领的基本原则。
2. Global challenges must be managed in a way that distributes the costs and burdens fairly in accordance with basic principles of equity and social justice.
   必须根据公平和社会正义的基本原则，以公平承担有关代价和负担的方式处理各种全球挑战。