situation ethics

situation-ethics的词性：
n.(used with a sing. or pl. verb)（名词）（与单数或复数动词连用）

1. A system of ethics that evaluates acts in light of their situational context rather than by the application of moral absolutes.
情境决定行为论：一种判断行为的好坏以人物所处的环境而不是道德标准的道德规范体系