At a time when tobacco chewing was ever popular in America, the gum balls caught on quickly and the chewing gum industry was born.
At a time when tobacco chewing was ever popular in America, the gum balls caught on quickly and the chewing gum industry was born.
美国当时很盛行嚼烟草，口胶球很快就被接受，口香糖工业由此诞生。