Nonstationarity
非平穩性
??? 情景例句
and she belongs to Mr. and Mrs. Levinson.
它是Levinson夫婦家的狗。
Why did't you go home?
為什么你不回家？
The most important factor in our environment is the state of our own minds.
我們環境中最重要的因素就是我們的思想狀況。