《宋书·志·卷三十六》
汝阴太守，晋武帝时分割汝南而设立，成帝咸康二年，将它撤销并入新蔡，后来又恢复设置。
汝阴太守，晋武帝分汝南立，成帝咸康二年，省并新蔡，后复立。
Ru Yin Prefect: Established by Emperor Wu of the Jin dynasty after dividing Ru Nan, it was abolished in the second year of Emperor Cheng's Xian Kang era and merged into Xin Cai, but was later re-established.
<s>[INST] Analyze the grammatical structure of the following Classical Chinese sentence and provide its English translation: 沈灼，《宋书》。  [/INST] Grammatical analysis: [...], English translation: Shen Zhuo, _Book of Song_.</s>
Analyze the grammatical structure of the following Classical Chinese sentence and provide its English translation: 沈灼，《宋书》。
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Grammatical analysis: [...], English translation: Shen Zhuo, _Book of Song_.
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