Zhōngguó / gǔdài / wénxué / zīliào / hào / rú / yān / hǎi / yánjiūzhě / xūyào / xiān / quèdìng / míngquè / de / fāngxiàng中国古代文学资料浩如烟海,研究者需要先确定明确的方向。Materials on ancient Chinese literature are vast, so researchers must first define a clear direction.