měi / yuán / shì / shì / jiè / shàng / shǐ / yòng / zuì / guǎng / fàn / de / fǎ / dìng / huò / bì / zhī / yī美元是世界上使用最广泛的法定货币之一。The US dollar is one of the most widely used fiat currencies in the world.