A pound of vegetables refers to the weight before cooking. Vegetables after cooking can often only fill two small bowls; the fruits we usually eat, such as bananas, kiwis, etc., each have It weighs 2 to 3 pounds. Just eat 2 to 3 to make it weigh half a catty. Therefore, as long as you have this awareness, it is not difficult to consume half a catty of fruits and one catty of vegetables every day.