She could shoot a small metal coin thrown in the air from twenty-seven meters away.

她可以在27米远的地方射中抛入空中的金属小硬币。

These metal coins and paper bills can be a source of worry rather than hope.

这些金属硬币和纸币可能会成为担忧的来源而不是希望。

Small change means metal coins of not much value, like nickels which are worth five cents.

零钱就是那种不值钱的金属钱币，比如面值5美分的镍币。

Adding to the problem is that the gold-and silver-colored metal coins are about the same size as the 25-cent quarter.

而且该问题更令人头痛的是这种金色和银色的金属硬币和25美分硬币的大小差不多。

But in the coronavirus crisis, things are different. These metal coins and paper bills can be a source of worry rather than hope.

但是这次的新冠病毒危机中，情况却有所不同。这些硬币和纸币带来的可能是忧虑，而不是希望。

One of the first " fintech" breakthroughs happened centuries ago, when China helped engineer a boom in Asian commerce by introducing paper currency to replace metal coins, which were heavy and scarce.

最早的“金融科技”突破之一发生在几个世纪前，当时中国通过引入纸币来取代沉重又稀缺的金属硬币，帮助推动了亚洲商业的繁荣。

No one knows for sure when people started using metal coins for money. Archaeologists have found coins dating from 600 B.C., so we know they have been around for a long time.

没人确切的知道人们从何时起开始使用金属硬币作为货币。考古学家称发现过可追溯到公元前600年的硬币，我们因此知道这些货币已经出现很长时间了。

Today, our currency is a mixture of coins and paper money, but it wasn't always that way. Before metal coins and paper bills existed, people used a lot of unusual things to buy what they needed.

今天，我们的货币包括硬币和纸币，但并不一直都是这样的。在金属硬币和纸币出现前，人们用许多稀奇的东西来购买他们需要的物品。