Yinandyang,whichcomesfromancientChinesephilosophy,isageneraltermfortwooppositesidesofinterrelatedthingsorphenomenainthenature.Atfirst,theirconnotationswerequitesimple,referringtothetwooppositesidesofanobject.Thesidefacingthesunisyangandthereversesideisyin (共 1775 字) [阅读本文] >>