Reborn official and business romantic

An accident made Tang Yu reborn back to the 93 years when his family almost died. That year, drinking milk powder would not have trichlorocamine; in that year, penguins were not QQ; in that year, 2B was just a pencil; in that year, cups and utensils were only used to brush teeth; in that year, cucumbers and bananas were only used to eat... So, in that golden age, Tang Yu began to bear something for something. In that hot era, he stepped on like...