For example, in front of the counters selling silk for cheongsams and leather shoes in Beijing's department stores, there were always customers.,He had spent many years studying haphazardly, achieving mediocre grades. He was admitted to a second-tier medical school and after graduation, his skills as a practitioner were naturally not very good.,The unit has a floor area of 144 square meters, a ceiling height of 2.8 meters, and a volume of 404 cubic meters of personal space.。