For instance, edema is mainly caused by insufficiency of yang qi, dysfunction of qi transformation, disturbance of water metabolism and retention of fluid.

例如，水肿主要是由阳气不足、气化失调、水液代谢紊乱和水液停滞引起的。

Relative debilitation of yin or yang refers to deficiency syndrome because " loss of essence leads to deficiency" . Relative debilitation of yang usually indicates deficiency cold syndrome due to insufficiency of yang and relative exuberance of yin in the body.

阴阳的偏衰指的是" 精气夺则虚" 的虚证。阳偏虚通常指由于身体阳气不足和阴偏盛而出现虚寒症状。