他用餐巾快速擦去领带上的污点.He dabbed at the spot on his tie with a napkin.你能把这件外套上的污点洗掉 吗 ?Can you clean the coat of these dirty marks?他的那种愚蠢行为将永远是他名誉上的污点.That foolish deed of his will remain a blot on his escutcheon....
The validity of inferential form is the key conception of logic.推理形式的有效性是逻辑学的核心概念.It can give an objective account of the inferential nature of human communication.它能客观地描述、解释交际过程中的推理过程.Finally, people like to stereotype....