The existence of orang-utans is at a critical stage.

猩猩的存活已经到了临界的边缘。

The existence of such demand strongly suggests that professional grooming has its uses.

这种需求的存在有力地表明，职业培训有其用处。

The existence of water on the moon even if it was frozen changed everything.

月球上有冰层的事实改变了一切。

From a few bones, we infer the existence of dinosuars.

从几块骨头， 我们能推测出恐龙的存在。

The Syrian government has denied the existence of systematic abuse.

叙利亚政府则否认其存在系统性虐待行为。

Joe Beelart believes in the existence of Bigfoot.

乔·比拉特相信野人的存在。

24. What does the man say threatens the existence of the railways?

问题24. 男人说威胁铁路存在的是什么？

How do we prove the existence of things?

怎样证明事物的存在呢？

It seems unlikely, but no more unlikely than the existence of brown dwarfs themselves.

这似乎不太可能，但并不比褐矮星本身的存在更不可能。

But the existence of planet nine could easily explain it.

但第 9 颗行星的存在可以很轻易地解释这一点。

However, climate change is threatening the existence of such reefs.

然而，气候变化正在威胁着这些珊瑚礁的存在。

Meanwhile, the existence of the Illuminati had become an open secret.

同时，光明会的存在已成为公开的秘密。

But more observations just kept supporting the existence of dark matter.

但是更多的观测结果仍然支持暗物质的存在。

The study suggests the existence of many objects formed this way.

研究表明，许多物体的存在就是以这种方式形成的。

The existence of pi has also led to mass baking on March 14th, to pizza discounts and to memorization contests.

π的存在还引发了 3 月 14 日的烘焙浪潮，还有比萨饼打折活动和各种记忆力比赛。

Is this a convincing argument for the existence of a soul?

这个论点有能力说明灵魂存在吗？

Inversely, plant fragments can also prove the existence of certain insects.

反过来，植物碎片也能证明某种昆虫的存在。

Why do I believe in the existence of atoms?

我为什么会相信原子的存在？

This one example does not prove the existence of a systematic problem.

这个例子没有证明系统性问题的存在。

No monkey knows of the existence of the other two monkeys.

没有一只猴子知道有另外两只猴子的存在。