1.
But it is impossible for these always to exist, for that which can not be at some time is not.
但是，这些事物不可能始终存在，在某个时刻不在的事物便不存在。
2.
in the foreseeable future
在不久的将来,不久
3.
Isn't it in your tray?
它在不在你的文件筐里？
4.
There wouldn't be a society of people who didn't dream.
不做梦的人在任何社会都是不存在的。
5.
No, no, no. I like the aisle seat better.
不不不。我喜欢坐在靠过道的地方。
6.
She has to live in a not very savory district.
她不得不住在一个不大舒服的地段。
7.
It was not here. The ritual of return was not here.
它不在那里！龙神返回的祭文不在这里！
8.
if the obligation is delivery of immovable property, performance shall be at the place where the immovable property is located;
交付不动产的，在不动产所在地履行；
9.
There was no longer any German authority on any level.
不论在哪一级，都不存在德国的政权。
10.
being neither at the beginning nor at the end in a series.
在连续体中既不是在开始的，也不是在结束的。
11.
In such a position as not to obstruct, hinder, or interfere.
不挡道处在不挡道、不碍事或不干涉的位置之上
12.
Not sharp, pointed, or acute in form; blunt.
钝的不锐利的、不尖的或在形状上不尖锐的；钝的
13.
not in the most active period.
不在最活跃的时期的。
14.
not within reasonable limits.
不在合理的限度内的。
15.
an insubstantial or vague semblance.
不实在的模糊的表象。
16.
one that is absent or not in residence.
缺席的或不在居所的人。
17.
Not available, accessible, or at hand.
得不到的不可获得的，无法接近的，不在手头的
18.
The Existence of Non-existence and the Non-existence of Existence--On Calvinno's The Nonexistent Knight from the Perspective of Existentialism
不存在的存在与存在的不存在——存在主义视角下卡尔维诺的《不存在的骑士》