How might this knowledge be used to help people eat more healthily?

　　如何利用這些知識(shí)來(lái)幫助人們吃得更健康呢？

　　If we give the adult tree proper care, it will go on to live healthily for many years.

　　如果我們給成年的樹(shù)適當(dāng)?shù)恼疹�，它�?huì)健康地活許多年。

　　What I really want is to live healthily for as long as possible.

　　我真正想要的是盡可能長(zhǎng)久、健康地活著。