How might this knowledge be used to help people eat more healthily?
如何利用这些知识来帮助人们吃得更健康呢？
If we give the adult tree proper care, it will go on to live healthily for many years.
如果我们给成年的树适当的照顾，它会健康地活许多年。
What I really want is to live healthily for as long as possible.
我真正想要的是尽可能长久、健康地活着。