We never say 'fifty years old man' we say 'fifty year old man'
but we do say 'he is fifty years old'
'five dollar bill' not 'five dollars bill'
2012年2月20日
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Fifty years old man
2012年2月20日
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"Fifty year old man".
2012年2月20日
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Fifty-dollar bill, fifty-year old man, fifty-minute game
fifty buckets of ice cream, fifty pieces of gum, fifty weeks in April, fifty cents
That is a fifty-dollar bill, three half-dollars, fifty-fourth cup of coffee