Online shopping is better, such as Taobao and JD.COM. There are many things and the price is cheap. For example, American toner cartridges can be taken for one year if you buy them online for more than 100 yuan, while some companies need 2000-8000 yuan/year for elderly tablets, which is also very expensive in the market. Glucosamine: If you compare the online shopping products and the products in the hospital from the content and price of each tablet, you will find a huge difference between them.