【简答题】When you buy something and pay for it with bills or coins, you are paying 20 . If you don't hav e a 21 of bills and coins that exactly equals the price of the item, you may give the salesperson too mu...
【简答题】Dr Gillian Clark, Historian My special objects don’t belong to me. They belong to the Foundling Museum in London. They’re small, everyday things – coins, playing cards and small pieces of material. So...
【简答题】It's in the cards In recent years, more and more people have been paying for things with credit cards. There are now 565 million credit cards world wide, but it doesn't stop there. Bills and coins are...