dollar
dollar
noun
dollars to doughnuts
noun
- the basic monetary unit of the US, Canada, Australia, and certain countries in the Pacific, Caribbean, SE Asia, Africa, and South America
美元；元（美国、加拿大、澳大利亚及位于太平洋、加勒比海、东南亚、非洲和南美一些国家的基本货币单位）
dollars to doughnuts
- (N. Amer. informal)used to emphasize one's certainty
(北美，非正式)绝对的，肯定的
I'd bet dollars to doughnuts he's a medical student.
我敢打赌他是个医科学生。
- from early Flemish or Low German daler, from German T(h)aler, short for Joachimsthaler, a coin from the silver-mine of Joachimsthal ('Joachim's valley'), now Jáchymov in the Czech Republic. The term was later applied to a coin used in the Spanish-American colonies, which was also widely used in the British North American colonies at the time of the American War of Independence, hence adopted as the name of the US monetary unit in the late 18th cent
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