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。
Ships may be delayed by storms; flights may be cancelled because of bad weather, but trains must be on time.
轮船船期可能因风暴而推延,飞机航班可能因恶劣天气而取消,唯有火车必然是准点的。