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来源：雅诚德英语网
But what prevents Bob from logging in as a manager, or Mary from logging in as a cashier?
但是怎样阻止Bob以经理身份登录或者Mary以收银员身份登录？
But what prevents Bob from logging in as a manager, or Mary from logging in as a cashier?
但是怎样阻止Bob以经理身份登录或者Mary以收银员身份登录？