Copper is a very ordinary building material that has become entwined in every facet of our lives, from the wires in our homes to our smartphones and, critically, electric cars, which use three times the amount of the metal as those in a conventional vehicle.
銅是一種非常普通的建築材料，它已經滲透到我們生活的方方面面，從家裏的電線到智慧型手機——更重要的是——還有電動汽車。
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