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世界上最普通的货币,是金属币和纸币。这两种货币都有其缺点:金属太重,携带不方便,纸币则容易受损。最近,位于英格兰西北部海岸附近的马恩岛政府,发行了一种新颖的塑料货币。这种塑料货币的面值为一英镑,是用一种不易磨损的塑料制成,比普通纸币重一点,厚一点,然而却比纸币耐用得多。新货币发行之前,马恩岛政府做了大量试验,结果表明,在经过50万次折叠以后,这种塑料货币仍然不易损坏。不过,它缺少大多数纸币上都有的那种识别真
The most common currencies in the world are metal coins and banknotes. Both of these currencies have their drawbacks: metal is too heavy, inconvenient to carry, and banknotes are easily damaged. Recently, the Isle of Man government near the north west coast of England issued a novel plastic currency. The plastic currency, which has a face value of £ 1, is made of a hard-wearing plastic that weighs a little more than regular notes but is much more durable than notes. Before the release of the new currency, the Isle of Man government conducted a large number of tests, the results show that after 500,000 folds, the plastic money is still not easy to damage. However, it lacks the kind of identification that most bills have