@RedLittleladyin @tammyischatty @DrLeanaWen True safety comes from layered systemic measures. You're not (relatively) safe in a car because you wear a seat belt (but you should, and it makes you safer).
@RedLittleladyin@tammyischatty@DrLeanaWen真正的安全来自分层的系统性措施。你在车里（相对）不安全，因为你系了安全带（但你应该系，这样会让你更安全）。