have you heard of the concepts of yin and yang how much do you know about them can you give ...have you heard of the concepts of yin and yang how much do you know about them can you give some examples

问题描述:

have you heard of the concepts of yin and yang how much do you know about them can you give ...
have you heard of the concepts of yin and yang how much do you know about them can you give some examples

Yin and yang ,the two opposing principles in nature,the former feminine and negative and the latter masculine and positive