No registration, no complicated rules. Just start playing and have fun!

无需注册，没有复杂的规则。上手即会，开始开心游戏吧！

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In those days, mail-order firms (there was no E-commerce) argued it would be too complicated to keep track of the different sales tax rules and rates around the country.

FORBES: Time For Congress To Step Into Battle Over Internet Sales Taxes