《旧唐书·列传·卷一百零四》
因吴元济向北进犯，京郊多警报，防御之兵尽去伊阙驻守。
因吴元济北犯，郊畿多警，防御兵尽戍伊阙。
When Wu Yuanji invaded the north, there were many alerts in the suburbs of Beijing, and all the defense soldiers went to the Yi Valley for garrison duty.
<s>[INST] For each of the following sets of Classical Chinese and Modern Chinese sentences, provide an English translation that captures the essence of both: Classical: 因吴元济北犯，郊畿多警，防御兵尽戍伊阙。 Modern: 因吴元济向北进犯，京郊多警报，防御之兵尽去伊阙驻守。 [/INST] When Wu Yuanji invaded the north, there were many alerts in the suburbs of Beijing, and all the defense soldiers went to the Yi Valley for garrison duty.</s>
For each of the following sets of Classical Chinese and Modern Chinese sentences, provide an English translation that captures the essence of both: Classical: 因吴元济北犯，郊畿多警，防御兵尽戍伊阙。 Modern: 因吴元济向北进犯，京郊多警报，防御之兵尽去伊阙驻守。
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When Wu Yuanji invaded the north, there were many alerts in the suburbs of Beijing, and all the defense soldiers went to the Yi Valley for garrison duty.
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