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。
There were hardly any trees on the island and there was no water, but this did not prove to be a problem.
岛上几乎没有一颗树,也没有淡水,但这不算什么问题。