homeostasis & transisstasis

[b]homeostasis[/b]
动态静止,动态平衡
n.
(社会群体的)自我平衡, 原状稳定

[b]ambivalence[/b]
n.
正反感情并存

[b]doppelganger[/b]
a ghostly double of a living person that haunts its living counterpart

外号学传递性法则