But if you have much of it, metalmoney is hard to carry around.
但是你有太多时，金属货币不方便带在身上。
2
Metalmoney was certainly better than salt or shell or stone money.
金属的货币当然要比盐或是贝壳的或是石头的货币好。
3
Recyclers can make money from selling scavenged metal from electronic equipment, says Puckett, but the process to retrieve usable metals is typically extremely toxic.