First of all, the value-added tax of the Bank of China is 17%, while the tax rate in some foreign markets may be lower (such as 0% in Hong Kong), so tax is the most important factor affecting the price. (The selling price of each country/region market is also affected by local operating costs, etc. )

Secondly, the RMB has depreciated a lot recently, but the impact of the exchange rate will generally not exceed 5%.

Finally, the education discount is around 7%.

Therefore, it is of course the best if you can find a trustworthy purchasing service in a suitable area (Hong Kong and some tax-free areas in the United States) (it is best to buy it through educational concessions, but the documents provided must be those of local students and teachers); But it is more difficult, especially the "trustworthy" kind; In addition, considering the impact of RMB depreciation, the purchase price through domestic preferential education is not much different from that of foreign countries.