In MTR stations, advertisements to study putonghua (standard "Mandarin" Chinese) are hung high, and taxi and light public bus drivers turn on all-putonghua radio stations, saying: "We're Chinese--of course we have to learn putonghua!"
地鐵站內，學普通話的廣告高掛，的士、小巴司機扭開了電台普通話專屬頻道說：「我們是中國人，當然要學普通話！」