All had reported on their diet at the beginning of the study.

　　在研究最初，所有人都对他们的饮食结构进行汇报。

　　Men in the top third based on their calcium intake were getting nearly 2,000 milligrams a day, on average, compared to about 1,000 milligrams for men in the bottom third.

　　排在前三位的男士，他们平均每天要大概摄入2000毫克的钙质，但与之相比，排在最后三名的男士每天却只摄入1000毫克而已。