How do you know that?

Bob: My car doesn't have a speedometer.

Rob: Then how do you know how fast you're going?

Bob: Well, when I'm driving at 15 miles an hour, the fenders rattle; at 25 miles an hour, the windows rattle; and at 30, the motor starts knocking-and that's as fast as it'll go. ·上一篇笑话：He told me to see you
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