【北理大社】哈默手稿 (意)达·芬奇|译者:李秦川舍此之外达·芬奇别无密码微软总裁比尔·盖茨以3080万美元的价格购买了哈默手稿

Items bear visible signs of previous use, be it through distinctive notes or scratches on the surface. Despite these signs of wear, the items remain functional and tell a story of their previous owner with each scratch.