If you go to Disney, it is recommended to buy a one-day subway tour and go online around 40 yuan.
Octopus deposit is 50 yuan, which needs to be recharged when purchasing. All public transportation is available, and you can also go shopping in convenience stores and fast food restaurants.
It can't be used in China. You can continue to use it when you get off to Hong Kong. The maximum charge per time is 1 1,000 yuan, and generally 1 1,000 yuan is enough. You can continue to recharge in many places. The validity period is 2 years, and it seems that it can be activated after the validity period. Three-month refund card, handling fee 10 yuan.