1. Vanity is a constant; people will only start shopping more sustainably when they can't afford not to. 虚荣心是永恒的；人们只有在不能承受放纵购物的时候，才会开始节制购物。
2. To supporters, GM crops are a key part of the effort to sustainably provide food to meet a growing global population. 为满足日益增长的全球人口需求，需要付出努力，持续地提供粮食。对于支持者来说，转基因作物是这一努力的一个关键部分。
3. Managing ecosystems sustainably is more profitable than exploiting them, according to the Millennium Ecosystem Assessment. 根据千禧生态系统评估报告，可持续地管理生态系统比掠夺消耗它更有好处。
4. This level of wastage is a tragedy that cannot continue if we are to succeed in the challenge of sustainably meeting our future food demands. 这样的浪费水平是个悲剧，如果想在可持续满足我们未来粮食需求的挑战中取得成功，就不能让它继续下去。
5. The result is a more sustainably funded transport system. 结果就是交通体系得到了可持续性基金的支持。
