zhè / bù / lì / shǐ / xiǎo / shuō / yǐ / qǐ / fù / de / gù / shì / wéi / zhòng / yào / xiàn / suǒ这部历史小说以杞妇的故事为重要线索。This historical novel uses the story of Qi Liang's widow as an important thread.