But if you have much of it, metal money is hard to carry around.
但是你有太多时，金属货币不方便带在身上。
Metal money 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。
If it melts, when the metal materials to sell, whether to sell more money?
如果将它熔化了，当金属材料卖，是否能多卖些钱？
Metal was used for money even before it was made into COINS.
金属在被制成硬币之前就已经做为货币来使用了。
If it melted and sold as a metal material, can get more money?
如果将它熔化了，作为金属材料卖，是否可以多卖些钱？
And then in the seventh century we had money in the form of precious metal.
另外在七世纪时出现了贵重金属货币。
Answer these questions and find the right metal detector for the right money.
回答这些问题，找到适合自己的探测器、适中的价格。
Most of the money today is made of metal or paper.
今天的大部分钱是金属做的。
Now, you will need a common nine-volt battery and a metal piece of money.
现在你需要一节普通的9伏电池和一枚金属钱币。
Now, you will need a common nine-volt battery and a metal piece of money.
现在你需要一节普通的9伏电池和一枚金属钱币。
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