可持续发展不仅是一种趋势，更是我们对未来的责任。
Sustainability is not just a trend, it's our responsibility to the future.
解释：人饿的时候，之所以不吃乌头毒药，是认为即使能填饱肚子，但是会马上死去。
Our heroes are human heroes. That's a very new situation. Most other societies have had, right at their center, the worship of something transcendent: a god, a spirit, a natural force, the universe, whatever it is -- something else that is being worshiped. We've slightly lost the habit of doing that, which is, I think, why we're particularly drawn to nature.
Use， do not abuse...Neither abstinence nor excess ever renders man happy.