它更像是试图去消磨时间——比如玩单人纸牌游戏，或只是随意摆弄一枚硬币。
It is more like an attempt to pass the time — like a game of solitaire, or flipping a coin.
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。
You don't 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.
拿起电话筒，然后投一枚硬币到投币孔里去。
应用推荐