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。
He had lived in it as a child when it was already disappearing,
作为一个孩子他曾在西部生活过,当时西部拓荒生活正在消失。