I believe normal American kids do not 补钙; not to mention "以补钙为主". (They drink milk, eat cheese and yogurt.)
My American friend told me that I and my child have a much balanced diet. He wished his parents did a better job on feeding him. ;-))
My American friend told me that I and my child have a much balanced diet. He wished his parents did a better job on feeding him. ;-))
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