relativism
noun [ U ] social science specialized uk/ˈrel.ə.tɪ.vɪ.zəm/ us/ˈrel.ə.tɪ.vɪ.zəm/
相对主义（认为真理和对错只能根据其他事物来判断，没有什么是绝对真实的或正确的）
the belief that truth and right and wrong can only be judged in relation to other things and that nothing can be true or right in all situations