Learn the English Phrases "by weight" and "dead weight"

Read along to practice your English and to learn the English phrases BY WEIGHT and DEAD WEIGHTIn this English lesson, I'd like to help you learn the English phrase "by weight." When you buy something, you can either buy it by weight. You pay a certain amount per pound or per kilogram, or I think the opposite is by volume. When I buy gas, I pay per liter. But when something is sold by weight, you pay for a certain number of pounds or kilograms or whatever other measure of weight they are using...