Ahead of the Spring Festival, a new ACG mall in Shanghai's Yangpu District was bustling with young locals and tourists, who were there for "cyber festive purchases" containing both regular products ...
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 ...