《 Gǔliángzhuàn 》 chángcháng yòng wèndá de fāngshì jiěshì 《 Chūnqiū 》 de yòngcí.
The Guliang Commentary often explains the wording of the Spring and Autumn Annals in question-and-answer form.
Tips
history
Traditionally credited to 谷梁赤, said to be a student of Confucius's disciple 子夏. Like the 公羊传 it was handed down orally and written down in the Han; with the 左传 they are the three commentaries on the 春秋.
mistakes
传 is the 'commentary' reading, not chuán. 谷梁 is a two-character surname, written 穀梁 in traditional characters; it has nothing to do with valleys.