斧正

ruò yǒu chā cuò qǐng fǔ zhèng

若有差错，请斧正。

Please correct my blunders, if any.

yóu yú bǐ zhě zhī shi yǒu xiàn wén zhōng cuò wù hé shū lòu zhī chù kěn qǐng zūn jìng de gè wèi lǎo shī fǔ zhèng zhǐ dǎo

由于笔者知识有限，文中错误和疏漏之处，恳请尊敬的各位老师斧正、指导。

The author cordially invites the respectful teachers to make corrections and guide the mistakes and careless omissions in this article since the author has limited knowledge.