《元史·本纪·卷二十八》
站户贫穷以至典卖妻儿者，官府为之赎还。
站户贫乏鬻卖妻子者，官赎还之。
For the poor who sold their wives and children, the government redeemed them.
<s>[INST] Analyze the grammatical structure of the following Classical Chinese sentence and provide its English translation: 故必反其本，去其华，践行其实。[/INST] Grammatical analysis: 主语"故"（所以），谓语"必反其本"，宾语"其本"，状语"去其华"，补语"践行其实"。 English translation: Therefore, it is necessary to return to its foundation, get rid of its superficiality, and put its substance into practice.</s>
Analyze the grammatical structure of the following Classical Chinese sentence and provide its English translation: 故必反其本，去其华，践行其实。
user
Grammatical analysis: 主语"故"（所以），谓语"必反其本"，宾语"其本"，状语"去其华"，补语"践行其实"。 English translation: Therefore, it is necessary to return to its foundation, get rid of its superficiality, and put its substance into practice.
assistant