Public worries about accidents are threatening the very existence of the nuclear-power industry.公众对事故的担心正威胁着核能工业的生存。

The Congress of People's Deputies in effect voted itself out of existence.人民代表大会的投票在事实上终结了自身的存在。

It will be much faster than any submarine now in existence.它的速度将超越任何现有的潜艇。

She has a wretched existence.她过着悲惨的生活。

She has led a comfortable existence.她过着舒适的生活。

God is the ground of all existence.上帝是万物存在的基础。