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。
But they would not listen to him. When they came to the river, a white man was waiting in the boat for them.
但是他们不听,当他们来到江边时,一个白人正在船上等着他们。