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。
Many people find this sort of joke distasteful The following example of 'sick humour' will enable you to judge for yourself.
许多人认为这种笑话是低级庸俗的。下面是个“病态幽默”的实例,你可据此自己作出判断。