《徐霞客游记·溯江纪源 & 江源考》
不仅如此，不清楚龙脉，所以不能分辨长江的源头。
不第此也：不审龙脉，所以不辨江源。
Not only that, but the dragon veins are not clear, so the source of the Yangtze River cannot be distinguished.
<s>[INST] Translate the following Classical Chinese text into English: 不第此也：不审龙脉，所以不辨江源。 [/INST] Not only that, but the dragon veins are not clear, so the source of the Yangtze River cannot be distinguished.</s>
Translate the following Classical Chinese text into English: 不第此也：不审龙脉，所以不辨江源。
user
Not only that, but the dragon veins are not clear, so the source of the Yangtze River cannot be distinguished.
assistant