反思一叶有一位朋友是某档案馆馆长。一日，在闲聊的时候，他告诉我，他的馆里有十数卷旧档案，不知其形成年代，也不知其是何年进馆的，但从纸张的新旧程度等估计，至迟当属明清时代的。至于内容，就更不得而知了。因为这些卷子是用藏文写成的，而他们那儿没有人懂得藏文。由 Reflect a leaf a friend is a curator. On the first day, while chatting, he told me that there are over ten old files in his library. I do not know the age of her formation and I do not know what year it was in. However, it is estimated from the newness of the paper and so on, Ming and Qing Dynasties era. As for the content, even more unknown. Because these are written in Tibetan, but none of them understand Tibetan. by