usd是什么意思?
What do you mean, "usd"?
USD全称United StatesDollar，中文名美元。
USD has the full name United StatesDollar and the Chinese name is United States dollar.
usd表示哪个国家的货币呢?
What is the currency of the country that wed represents?
美元(United States dollar 货币缩写：USD;ISO 4217货币代码：USD;符号：$)是美利坚合众国的官方货币。目前流通的美元纸币是自1929年以来发行的各版钞票。1792年美国铸币法案通过后出现。当前美元的发行是由美国联邦储备系统控制。从1913年起美国建立联邦储备制度，发行联邦储备券。现行流通的钞票中99%以上为联邦储备券。
The US dollar (United States dollar dollar currency acronym: USD; ISO 4217 currency code: USD; symbol: US$) is the official currency of the United States of America. The US dollar banknotes currently in circulation are various editions of banknotes issued since 1929. The US Casted Currency Act of 1792 was passed. The US dollar is currently controlled by the US Federal Reserve System.
usd和usdt有什么区别?
What's the difference between usd and usdt?
1、地位不同：usd是美国法定货币;usdt是P2P数字虚拟货币;
1. Different status: Wed is the United States legal currency; wedt is the P2P digital virtual currency;
2、兑换形式不同：usd全世界流通，可兑换任何国家的货币;而usdt只能兑换成美金，再由美金进行其他形式货币的兑换;
2. Different forms of exchange: wed worldwide and convertible into any national currency; while wedt can only convert into United States dollars and then exchange other forms of currency by United States dollars;
3、兑换价格不同：usd在不同国家兑换，其美元价值都不同;而一个usdt币兑换1美金。
3. Exchange prices vary: weds are exchanged in different countries with different value in United States dollars, while one of usdt's is exchanged for one dollar.
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