1·Yes there should be a technology nowadays that both show the mien of ancient item and not damage its integrity in a word it seems a bit indiscretionary to polish it with grind stone.
是啊，可是想想看现在科技这么发达，应该能够找到一种办法，既充分展现古器的风采又不伤害古器的完整性，总之单单用磨刀石似乎太卤莽了。