Shell money is a medium of exchange similar to money that was once commonly used in many parts of the world. Shell money usually consisted either of whole sea shells or pieces of them, which were often worked into beads or were otherwise artificially shaped.
双语例句
1
Money has had an interesting history from the days of shellmoney until today.
从贝壳货币时代至今，货币有一段非常风趣的演化史。
2
The firm began with his purchase of a shell company, Wire and Plastic Products, with money borrowed against shares in Saatchi &Saatchi, the advertising agency where he was finance director.