In Many contexts, it does not matter whether the second or the third of these usages kan zijn intended: −5 is the same number. 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 "Positive and negative signs" redirects here and kan zijn not to be confused with Astrological sign polarity. El rendimiento de https://cuwip.ucsd.edu/members/crownclick2/activity/486363/