来自exist, 存在。

1. He had been a rock in the shifting sands of her existence.

他一直是她曲折坎坷的生活中的主心骨。

2. No reference to their existence appears in any literature of the period.

这一时期的文学作品中都没有提及他们的存在。

3. Temperature records have unequivocally confirmed the existence of global warming.

气温记录清楚无疑地证实了全球气候正在变暖。

4. The existence of an emotional undertow is an aspect of all politics.

具有情绪感召力是所有政治的一个方面。

5. The real existence of a military option will come into play.

存在选择军事手段的切实可能这一点将会起到作用。