regional protectionism 地方保护主义

　　tax evasion 偷税漏税

　　purchasing power 购买力

　　cyber economy 网络经济

　　personal income tax 个人所得税

　　risk investment 风险投资

　　after sale service 售后服务

　　stock exchange 股票交易

　　booming/thriving/prosperity 繁荣

　　decline/recession/depression 萎缩/衰退/萧条