我知道，我也尊重他。其实我也觉得宋教授没理由抄袭。但是我帮他校对的时候，发现好多内容都是从国外的学术刊物上抄来的。
wǒ zhīdào ，wǒ yě zūnzhòng tā 。qíshí wǒ yě juéde Sòng jiàoshòu méi lǐyóu chāoxí 。dànshì wǒ bāng tā jiàoduì de shíhou ，fāxiàn hǎo duō nèiróng dōu shì cóng guówài de xuéshù kānwù shang chāolái de 。
I know. And I also respect him. Actually, I also think there's no reason for Professor Song to plagiarize. But when I was helping him proof-read, I discovered that a lot of his content was lifted from foreign academic publications.