Liu says that this is probably the reason why Cheng, when doing reproductions of prehistoric pottery, aims to capture the spirit of the originals, not just their surface appearance. Even more important for reproducing prehistoric artifacts is good detective work. You have to be able to reconstruct the general design of the original from clues on just a few shards.
更重要的是，復原史前陶有點像偵探辦案，看到幾塊破片標本，就要拼湊出整個陶器上圖案的走向。