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미국 여행 산업, 2020년 30억 달러 손실 후 디지털 광고비 5억 5천만 달러 회복 예상
US travel industry will gain just $550 million back in digital ad spending after 2020's $3 billion loss
US travel industry will gain just $550 million back in digital ad spending after 2020's $3 billion loss