"I've made some teeth-cleaning medicinal mud toothpaste, but I'm not sure if anyone will buy it." She stared at his clean teeth, "Third brother, I'll be selling the toothpaste later, and I want to use your teeth for advertisement. It depends on whether the villagers think your teeth are white enough."
Xiao Yuchuan was very confident, "My teeth must be the whitest in the village. But... is there really anyone willing to spend money on the toothpaste you mentioned? And, what is an advertisement?"
"Advertisement is to widely inform others." There was an unbridgeable gap between ancient people and modern people. "I will say that your teeth are so white because you used the toothpaste I made."
"No, that's not right, wife. My teeth have always been very white, even before I met you. You were in the Zhu Family, and the Xiao Family had no interactions with you. Saying that my teeth are white because of the toothpaste you made, no one would believe that..."
