As Yale law professor Anne Alstott argues, justifying parental support depends on defining the family as a social good that, in some sense, society must pay for.
出自-2010年6月阅读原文
Of course, much of this argument in the 1930s-40s was advanced because there was little or no experience in justifying apparel on the basis of utility.
2017年6月六级真题（第三套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
VERB
证明（决定、行为或想法）正当；表明…必要
To justify a decision, action, or idea means to show or prove that it is reasonable or necessary.