If the population would do more of this

如果公众能更好地遵循这个守则
they'd be better off.

状况会改善很多
You have these broad things, like

如果能遵守这些宽泛的规则比如
if you just got the population to eat less junk food

如果能让人们少吃垃圾食品
and more fruits and vegetables,

多吃蔬菜和水果
well you might be 80% of the goal line or 90% of the goal line,

那么将可达到目标的百分之八九十
so some broad rules pretty much apply.

因此某些宽泛的规则是广泛适用的
Some people want more specificity about what to eat

有些人想要关于该吃什么更具体化的建议
and there are some other examples of that.

这里有一些其它的例子可以作为指导
In this case, this book by Willett

威莱特有一本著作
the researcher that I mentioned before at Harvard,

我之前在哈佛曾提到过这位学者
he's written this book called Eat, Drink and Be Healthy,

他写了一本书叫《吃好,喝好,身体好》