Nondeterminancy
非确定性
🗣️ 情景例句
I'm too sick to even get out of bed.
我病得都下不了床了。
Americans wonder what has become of the idealism of the last decade.
美国人的理想主义，不知道在这十年间变得怎样了。
why have we had no visitors from outer space yet?
那么我们为什么还未见到外层空间来访的客人呢？