which became more expensive to buy.

则相对来说比较贵
Now of course this is the exact reverse of

当然如从公众健康的角度来看
what you'd like to see from a public health point of view.

情况肯定完全相反
What's happened here?

这究竟是怎么一回事呢
Why in the world would that be the case in a country

世界上究竟为什么某些国家
that has more agriculture abundance than anywhere in the world?

的粮食供给比其他任何地方都充足呢
Well it's interesting, because this is happening

这很有趣因为这种情况
elsewhere around the world as well.

在世界各地都有发生
Here's an example of that.

这里有个例子
These numbers are from England.

这些数据都来自于英国
What they did was they created a shopping basket of sample foods

他们制造了一个放着样品食物的购物篮
that a family might buy in a supermarket or a market,

这些食物家人逛超市或市场时都会买