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When something says "Drink 2 cups a day" what is the size of a cup?
I searched for, How much Vitamin C do you get from 10oz of orange juice?
And one of the search results said this:
Orange juice is an excellent source of Vitamin C — one cup contains twice the daily recommended value. Vitamin C supports your immune system and may be effective in fighting against the common cold.
Well, what the hell size is a cup? We've got tall and short, glass and plastic cups in the kitchen, I have no clue what ounce they are. So how are you supposed to know because to one person a cup could be a mug, and to another, a cup could be a tall thermos. Is there a standard that says a cup is so many ounces?
