มันคือ กลยุทธ์ภาคสนาม. 
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nostr:nevent1qqswqewe8prayevzldcvef5rau8cdlsjda967xtvrnxqcyqcfml9pscpr4mhxue69uhkummnw3ez6vp39eukz6mfdphkumn99e3k7mf0qgsthwsr0a0m6d56p6y0j2fqethny7vv2l43llqu0nqpx35nx0w4vmqrqsqqqqqpmphmpm