Dollar是一种货币单位，通常用于美国、加拿大、澳大利亚、新西兰等国家。它的符号为$，美元为USD。
在美国，1美元（USD）等于100美分，而在加拿大、澳大利亚和新西兰等国家，1元等于100分。一些国家也使用与美元不同的货币单位，但它们的名称也是"dollar"。
Dollar的起源可以追溯到16世纪，当时西班牙的银币被用作国际贸易中的货币单位。这些银币特别受欢迎，因为它们的重量和纯度都很稳定，能够保证交易的公平性。其他国家也开始使用这些银币作为货币单位。
Dollar是世界上最流行的货币之一，被广泛使用于国际贸易、外汇交易和旅游业等领域。
What does "Dollar" mean in English?
Dollar is a currency unit commonly used in countries like the United States, Canada, Australia, and New Zealand. Its symbol is $, and in the US, 1 dollar (USD) is equal to 100 cents.
The origin of the word "dollar" can be traced back to the 16th century when Spanish silver coins were used as a currency unit in international trade. These coins were highly sought after because of their consistent weight and purity, ensuring fair trade. Later, other countries began using these silver coins as currency units.
Today, the dollar is one of the most popular currencies in the world, widely used in international trade, foreign exchange, and the tourism industry.