Remember that it takes time to build up these stars, and so don't panic if you find yourself with a driver who doesn't have any - just have them assure you that they know where they are going and you should be fine.
If there is a subway entry at a busy street, the station can usually be used as a pedestrian underpass to another subway exit across the way.
Individuals with asthma or respiratory issues should be prepared when visiting due to the air pollution that pervades Shanghai.
You'll encounter examination rooms shared by multiple doctors and patients, lack of privacy, etc.
Always note the serial number of the note you pay with, especially with larger notes.
Domestic airplane tickets are best booked in advance at one of the many travel agencies or online, but can also be bought at the airport on the day of departure.