You do not need to look for trouble ail the time, but if you have reason to think a coin or bill is a counterfeit, perhaps some of these tips will help you out.

• 你不必天天自寻麻烦去辨别真伪，但是，如果你有理由认为一枚硬币或一张钞票是假的，也许这些小小的提示将会帮助你。