The Megafactory is the first of its kind to be built by Tesla outside the United States, and is dedicated to manufacturing Megapacks, Tesla's energy-storage batteries. Mass production at the Shanghai ...
See? “By” originally means “bye” or byway. That’s why, in fact, some people still spell “by the by” as “by the bye”. By the way, “that is by the by or bye” in this sense (secondary) is an idiom that ...