英语笑话:I know I could count on you 我知道你会帮我

Smith goes to see his boss in the front office. "Boss," he says: "we're doing some heavy house-cleaning at home tomorrow, and my wife needs me to help with the attic（阁楼） and the garage.""We're short-handed, Smith." the boss replies. "I can't give you the day off.""Thanks, boss," says Smith, "I know I could count on you!"