regard as與treat as的區別？

regard as的意思是“將...視為；認為...”，強調的是壹種主觀認識，請看下面例句：I regard your suggestion as worth considering. 我覺得妳的建議值得考慮. We regard your action as a crime. 我們認為妳這種行為是犯罪行為. treat as 也有“把某事物看作; 視某事物為”的意思，但強調的是壹種動作：I decided to treat his remark as a joke. 我把他的話當作玩笑話