Yán / jiū / zhě / rèn / wéi / fēi / ǒu / yì / cí / dài / yǒu / míng / xiǎn / de / gǔ / dài / shū / miàn / sè / cǎi研究者认为,妃耦一词带有明显的古代书面色彩。Researchers believe that 妃耦 has a distinctly classical written style.