If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病,他们就能够保护好他们自己,从而阻止疾病的传播。
As it happens, a razor that is safe in Europe is unlikely to electrocute Americans.
碰巧在欧洲使用安全的剃须刀不大可能使美国人触电身亡,