Organism engineers design microbes to do industrially useful things, like bioremediate toxic waste sites or replace petroleum-based textiles with renewable ones.

有机体工程师设计微生物来做工业上有用的事情，例如生物修复有毒废物场地或用可再生纺织品代替石油基纺织品。

Three American economists, Janet Currie, Michael Greenstone, and Enrico Moretti figured out a way to separate out the effects of pollution on kids’ health by looking at what happened when the government cleaned up toxic waste sites.

三位美国经济学家 Janet Currie、Michael Greenstone 和 Enrico Moretti 通过观察政府清理有毒垃圾场时发生的情况，想出了一种方法来区分污染对儿童健康的影响。