Affordable Housing Project (housing project for low-in-come urban residents)...[继续阅读]

    enjoy a happy, secure life/live and work in peace and contentment...[继续阅读]

    euthanasia...[继续阅读]

    notice to reassure the public...[继续阅读]

    safety symbol/safety sign...[继续阅读]

    safety standard...[继续阅读]

    safety belt/seat belt...[继续阅读]

    policy of safety first with emphasison preventing accidents...[继续阅读]

    safety management system...[继续阅读]

    safe period for use...[继续阅读]