Unobservables
(unobservable 的复数) adj. 难以察觉的；注意不到的；不可见的
🗣️ 情景例句
Oh, yes, I think we'd like that very much.
噢 ，好的， 我想我们非常乐意。
I was just about to call you.
我正准备打电话给你。
It's hard to say.
难说。