They could help scientists understand not just when higher life forms evolved, but why.
它们将不仅仅帮助科学家理解高等生物何时出现，还有为何出现的问题。
With higher life expectancy and lower birth rate, South Korea is becoming an aging nation.
韩国较高的平均寿命以及较低的出生率使韩国一步一步走向老龄化。
Those who pursue the higher life of wisdom, who seek to live by spiritual principles, must be prepared to be laughed at and condemned.
那些追求高等的智慧生活的人，那些寻求依据精神原则生活的人，一定要作好遭受嘲笑与诅咒的心理准备。
But it is quite another thing to educate the spirit for the higher life and to devote our energies to its service.
但是，培养自己的精神，努力从事于高尚神圣的事业，却是另一回事。
Suppose the evolution of higher life forms takes another couple billion years, as it did here.
再假设更高级形式的生命要再花几十亿年才能进化，就如地球上所经历的那样。
We have achieved great success in the pre-clinical aspects of this subject, such as evaluation of critical pediatric cases, higher life support, etc.
学科的基础工作，如小儿危重病例评分，高级生命支持等方面，已取得了很大成绩。
Since living standards are higher, life expectancy is steadily increasing.
随着生活水平的提高，人们的寿命越来越长。
Since living standards are higher, life expectancy is steadily increasing.
随着生活水平的提高，人们的寿命越来越长。
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