Yánjiū nàge shídài de fēngsú, xūyào cháyuè gèzhǒng shǐshèng.
Researching the customs of that era requires consulting various historical records.
Tips
register
Literary. The 乘 here is read shèng (fourth tone), not the common chéng. 乘 was originally the name of the state-history chronicle of Jin (晋); the name later became a generic term for any historical record.
