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 ...
TIANJIN, Feb. 2 (Xinhua) -- In a studio adorned with antique charm in north China's Tianjin Municipality, Zhang Yu delicately rotated the clay sculpture with his left hand while skillfully carving ...