dozen - Definition from Longman English Dictionary Online) says that "dozen" or "dozens of something" can informally mean "a lot of something", that's how I came to the rough estimation of "between 30 and 300 millions" -- that means a lot to me. I guessed that "dozens" does not have to necessarily refer to multiples of "12".
In the dictionary, there's this example sentence "She's had dozens of boyfriends.", which is supposed to mean that she's had a lot of boyfriends. Can it be used in this sense for money?
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