And instead of telling you more about it, I'm going to invite one of them, Sam Berns from Boston, who's here this morning, to come up on the stage and tell us about his experience as a child affected with progeria.
不再赘言， 我将邀请其中一位，波士顿来的Sam Berns 早上来刚到，马上要来到讲台上 和大家分享有关他 早衰症的经历