《明史·列传·卷一百四十》
杨嗣昌到夷陵，传令左良玉出兵，使者往返有十九次之多。
嗣昌至夷陵，檄良玉兵，使十九返。
Yang Sichang went to Yiling and sent a message to Zuo Liangyu to send troops, which went back and forth 19 times.
<s>[INST] Render the following Classical Chinese text into fluent English: 嗣昌至夷陵，檄良玉兵，使十九返。 [/INST] Yang Sichang went to Yiling and sent a message to Zuo Liangyu to send troops, which went back and forth 19 times.</s>
Render the following Classical Chinese text into fluent English: 嗣昌至夷陵，檄良玉兵，使十九返。
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Yang Sichang went to Yiling and sent a message to Zuo Liangyu to send troops, which went back and forth 19 times.
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