Any stroll down Wangfujing or Nanjing Lu will tell you the shops aren’t the only ones selling. Constant “hallo!’s” tailed with “bag?” “watch?” and “DVD?” will follow you no matter what you do to escape. So, either learn how to walk faster, master the “laowai lookaway,” or simply find a brilliant podcast that will teach you “no, thank you”, in Mandarin Chinese.