但是相信更环保生活模式的人可能也相信自然有机食物的好处，一个难题展现在了他们面前。
But individuals who believe in a greener way of life may also believe in the benefits of natural organic food, presenting them with a conundrum.
而且，转向环保方法及产品会破坏业已建立的盈利模式。
And the shift to environmentally sustainable methods and products can disrupt established ways of making money.
飞利浦公司设想出了一种环保型的家居模式——即从上个家庭产出的垃圾可作为下个家庭的燃料使用。
The company envisages an environmentally friendly home where the waste from one household is the fuel for another.
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