Variabilities
(variability 的復數) n. 易變, 變化性, 變異性\\n[化] 可變性; 變異性
??? 情景例句
Sometimes, by buying something cheap now, you will be costing yourself more in the long run.
有時候你花了很少錢買了便宜貨，但它日后可能要花掉更多的錢。
Devil must be driven out with devils.
以毒攻毒。
You're so careless.
你真粗心。