《资治通鉴·隋纪·隋纪五》
后来，张衡监督营建楼烦城，因炀帝巡游楼烦城，张衡才得以谒见炀帝。
久之，衡督役筑楼烦城，因帝巡幸，得谒帝。
Later, Zhang Heng supervised the construction of Loufan City. Because Emperor Yang toured Loufan City, Zhang Heng was able to meet Emperor Yang.
<s>[INST] Translate the given Classical Chinese text into modern Chinese, then provide an English translation that captures the nuances of both versions. Classical Chinese: 久之，衡督役筑楼烦城，因帝巡幸，得谒帝。 [/INST] Modern Chinese: 后来，张衡监督营建楼烦城，因炀帝巡游楼烦城，张衡才得以谒见炀帝。 English Translation: Later, Zhang Heng supervised the construction of Loufan City. Because Emperor Yang toured Loufan City, Zhang Heng was able to meet Emperor Yang.</s>
Translate the given Classical Chinese text into modern Chinese, then provide an English translation that captures the nuances of both versions. Classical Chinese: 久之，衡督役筑楼烦城，因帝巡幸，得谒帝。
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Modern Chinese: 后来，张衡监督营建楼烦城，因炀帝巡游楼烦城，张衡才得以谒见炀帝。 English Translation: Later, Zhang Heng supervised the construction of Loufan City. Because Emperor Yang toured Loufan City, Zhang Heng was able to meet Emperor Yang.
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