It comes from the numeral representation of the number 999 in the decimal numeral system. The decimal numeral system (also called base-10) is the most commonly used numeral system in the world, and it has 10 symbols (0, 1, 2, 3, 4, 5, 6, 7, 8, and 9) to represent numbers.
Example sentences:
The number of the emergency hotline in the UK is 999.
(英国紧急电话热线的号码是999。)
The price of this item is $999.
(这件物品的价格是999美元。)
He got a score of 999 in the arcade game.
(他在街机游戏中得了999分。)

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最佳回答 2023-06-23