Nonstationarity
非平稳性
🗣️ 情景例句
Experienced, talented, retired.
有经验， 有才能， 退休了。
Drowning man will catch at a straw.
溺水的人一根草也要抓。
The sad truth is that most of us have been brought up to eat certain foods and we stick to them all our lives.
不无遗憾的是， 我们中的大部分人，生来就只吃某几种食品，而且一辈子都这样。