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 knew I collected match boxes and asked me whether my collection was growing.
他知道我收集火柴盒,于是问我收藏的米柴盒是否在增加。