数据来源:
[1] Source: https://www.jpmorgan.com/europe/merchant-services/insights/reports/poland
[2] Source: https://www.obserwatorfinansowy.pl/in-english/business/growth-of-ecommerce-in-poland-and-new-challenges/
[3] Source: https://data.worldbank.org.cn/indicator/NY.GDP.MKTP.CD?locations=PL
[4] Source: https://data.worldbank.org.cn/indicator/IT.NET.USER.ZS?end=2019&start=1990&view=chart
[5] Source: Statista