at an earlier time or formerly; "she had previously lived in Chicago"
adverb [方式副词]在前,在先
Thus, the science of ethics is not normative: it does not deal with laws existing antecedently to human actions, and which these ought to obey. 因此,科学道德不规范性:它并不涉及现行法律先行,以人的行动,以及这些应该服从。