1·Surely my existence cannot be so purposeless?
想必，我的存在不可能如此毫无意义吧？
—— 《柯林斯英汉双解大词典》
2·Most religions posit the existence of life after death.
大多数宗教都假定人死后生命仍存在。
—— 《牛津词典》
3·She conjectured the existence of a completely new species.
她推测有一个全新物种存在。
—— 《牛津词典》
4·The theory supposes the existence of life on other planets.
这个理论假定其他行星存在生命。
—— 《牛津词典》
5·Pakistan came into existence as an independent country after the war.
巴基斯坦在战后开始作为一个独立的国家存在。
—— 《牛津词典》
1·The change of how coffee is grown endangers the existence of certain animals.
咖啡种植方式的改变危及到了某些动物的生存。
2·Beethoven's music tends to move from chaos to order as if order were an imperative of human existence.
贝多芬的音乐往往从混乱走向有序，仿佛有序是人类生存的必要条件。
3·The development of industry has been a gradual process throughout human existence, from stone tools to modern technology.
从石器工具演进到现代技术，工业的发展是一个贯穿人类生存的渐进过程。
4·The effect on the well-being and existence of a species is just the result of the effects of selection on all the individuals of the species.
对一个物种的福祉和生存的影响，只是对该物种所有个体的选择所造成影响的结果。
5·But we are now knowledgeable enough to reduce many of the risks that threatened the existence of earlier humans, and to improve the lot of those to come.
但现在，我们有足够的知识来降低许多威胁早期人类生存的风险，并改善未来人类的命运。