Now a new study published Friday in Science asks whether hand-washing can wipe the slate clean of any past behavior — even everyday decisions, like, say, choosing Paris over Rome for vacation.
如今在周五的《科学》杂志上发表的一项新研究正试图了解洗手能否洗刷掉人们对过去的任何行为的看法——甚至是日常决定，例如，选择去巴黎还是罗马度假。
Budding automotive engineers start by opening the hood of their first car, pulling out their tools, and removing parts to clean and study.
初学的汽车工程师首先打开他们第一辆车的发动机罩，拔出他们的工具，开始拆卸部件以进行清理和研究。
One study suggested that lamb from New Zealand, with its clean energy and rich pastures, has a lower footprint when consumed in the UK than locally produced lamb, despite the long-distance shipping.
有研究表明由于新西兰有着清洁的能源和肥沃的牧场，那里的羊卖到英国，尽管经过长途运输，碳足迹还是比英国本地羊要低。
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