This was in fact a specific outcome of the particular domestic and foreign environment at the time, but there was no real environment in which it could exist.

它实际上是当时特殊的国内外环境下的特殊产物，缺乏在中国生存的现实环境。

youdao

Under the current laws of physics, it is difficult to understand how it could exist. And this is probably the main reason scientists dismissed it for so long.

就现有的物理学定律，我们很难理解球状闪电存在的原因，而这可能也是长期以来科学家忽视球状闪电的主要原因。

youdao

It was generally accepted that volcanic rocks with such high levels of magnesium could not exist.

人们普遍认为，具有如此高镁含量的火山岩是不可能存在的。

youdao

Clay answered that no power on earth could force him to vote to establish slavery where it did not exist.

VOA: special.2009.03.19

Now, of course, it could still be that in the real world the one thing cannot exist without the other.

还是可以说,在真实世界里,某物不能脱离于另一物而独立存在

耶鲁公开课 - 死亡课程节选

As I said, it looks as though to answer the question, "Could I continue to exist after the death of my body?"

如我所讲,似乎要回答这个问题,就得回答"肉体死后我能否继续存在"

耶鲁公开课 - 死亡课程节选

The actual evidence for global warming (GW) itself over the last century is thin but it could exist.

FORBES: Peter Gleick Sets Back the Climate Debate

Alexander contradicted Schmidt, saying that he thought it could exist, but punted on the second question about definition.

FORBES: General Alexander's Confirmation And The Failure Of Cyberwar Transparency

He was nevertheless withering with anyone who claimed that the persistence of autocratic and theocratic attitudes meant that it could not exist.

ECONOMIST: Fred Halliday