The ability of nature to sustain itself. The ability of nature to serve humanity through our capacity to further understand the interconnections and how things work in nature.
通过对内在联系和自然原理进一步了解，自然的能力不光在于维持自身，也在于对人类的服务。
2
Endurance is the ability to maintain energy levels for longer periods of time and strength is your ability to sustain a short burst of energy. Marathons and sprints.
耐力是一种能较长时间保持精力的能力，而体力是能够短时间维持精力的一种能力，就像马拉松和短跑一样。
3
They can no longer rely on this one major market given that America's ability to sustain consumer spending is severely curtailed.