《六韬·武韬·文伐》
这就是所谓上察天时，下观地利，有利的征兆一旦出现，就可以兴师讨伐敌国了。 
所谓上察天，下察地，征已见，乃伐之。 
This is the so-called observing the weather and observing the geographical advantage. Once the favorable sign appears, you can send an army to attack the enemy country.
<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: 所谓上察天，下察地，征已见，乃伐之。  [/INST] Modern Chinese: 这就是所谓上察天时，下观地利，有利的征兆一旦出现，就可以兴师讨伐敌国了。  English Translation: This is the so-called observing the weather and observing the geographical advantage. Once the favorable sign appears, you can send an army to attack the enemy country.</s>
Translate the given Classical Chinese text into modern Chinese, then provide an English translation that captures the nuances of both versions. Classical Chinese: 所谓上察天，下察地，征已见，乃伐之。
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Modern Chinese: 这就是所谓上察天时，下观地利，有利的征兆一旦出现，就可以兴师讨伐敌国了。  English Translation: This is the so-called observing the weather and observing the geographical advantage. Once the favorable sign appears, you can send an army to attack the enemy country.
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