affirmation and negation

英 美
  • 肯定与否定
  • affirmation n.肯定;断言;主张
  • and conj.和;加;接着;那么
  • negation n.对立面;否定;否认;反对;不存在
    1. Affirmative and negative are two contrary concepts, which should be clearly distinguished.
      摘要肯定与否定是两个完全对立的概念,容不得半点含糊。