求翻译：Here are a few examples that might be done. The driving test should be standardized and made far more difficult than it is; all the drivers should be made to take a test every three years or so; the age at which young people are allowed to drive any vehicle should be raised to at least 21；all vehicles should be put through annual tests for safety. Present drinking and driving laws should be made much stricter. Maximum and minimum speed limits should be imposed on all roads. Governments should lay down safety specifications for manufacturers, as has been done In the U. S. A. All advertising stressing power and performance should be banned. These measures may sound terribly harsh, But remember：The world IS for human beings, not motorcars.是什么意思？

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