校勘

duì bǐ jiào kān néng gèng hǎo de zuò dào fǎn běn tuī lǐ jiào kān zé gèng yǒu zhù yú kāi xīn

对比校勘能更好地做到返本，推理校勘则更有助于开新。

Emendation by contrast can return the original while reasoning emendation redounds to innovation.