Inscriptions are words cast, engraved or written on utensils to describe life, deeds or to warn oneself; inscriptions are engraved on utensils to express commemoration and never forget them. There is no inscription here, that is, there is no past to remember, and there will be no regrets. Wumingtang, a mysterious drugstore opened next to the key high school in the town, sells medicine at all times, but only regret medicine is sold here.