fickleness of human nature

While she always criticized the fickleness of human nature.

她一方面总是批评人的本性朝三暮四.

These artificial evolution systems generate creative new things, but don't keep evolving. While she always decried the fickleness of human nature, she carried on an unrelenting search for the ideal servant to the end of her days.

这些人工进化系统产生了创造性的新事物，但是并没有不断地演化下去。尽管她一直在指责人性的变化无常，她却继续毫不放松地寻找称心的仆人，一直到她死去。

While she always criticized the fickleness of human nature

她总是批评人性反复无常

The dynamic mechanism and factors causing social psychological fickleness have been analyzed from the aspects of man made shortage, social anxiety, cognitive dissonance, recovery of human nature as well as fluctuation and transfer of values etc.

社会浮躁的心理因素包括人为短缺、社会焦虑、认知偏差、人性复苏和价值的波动与转移等，这是探讨社会浮躁的成因及动力机制应当着重考量的。

She always decried the fickleness of human nature.

她一直在指责人性的变化无常。