It is not the high mountains in the distance that makes people tired, but a grain of sand in the shoe.精品模板　助您成功！（页眉可删）研讨会欢迎词三篇 研讨会欢迎词 篇1  尊敬的各位来宾、各位代表、医学同仁及朋友们：  你们好!  在这个充满活力的初秋，我们感受到各...