When we think of animals and plants, we have a pretty good way of dividing them into two distinct groups one converts sunlight into energy and the other has to eat food to make its energy.
当我们想到动植物时,我们有一个很好的方法将它们分为两个不同的类别,一个将阳光转化为能量,另一组必须吃食物来能制造量。
[2019年 CET4 阅读理解]Imagine a world where building the tallest skyscraper wasn't a race of height, but rather one to collect the most solar energy.
想象一下,这个世界上的摩天大楼不是一场高度竞赛,而是一场收集太阳能多少的较量 。
[2018年 CET4 阅读理解]Changing building codes, evolving tastes, and the high cost of maintaining those wonderful old signs have businesses embracing LEDs, which are energy efficient, but still carry great cost.
不断变化的建筑规范、人们越来越高的品味、再加上维护这些色彩缤纷但又老旧的标牌的高昂成本都促使企业开始接受LED灯,虽然LED灯节省能源,但成本依然很高。
[2018年 CET4 阅读理解]Green buildings like this aren't necessarily cost-efficient for the investor, but it does produce much less pollution than that caused by energy production through fossil fuels.
对投资者来说,这样的环保建筑不一定具有成本效益,但它产生的污染远少于通过化石燃料产出能源所造成的污染。
[2018年 CET4 阅读理解]