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A — on a day-to-day basis J — intelligent hotels B — total room revenue K — high season C — hotel service information L — no vacancies D — group rate M — night manager E — self-check-in process N — package price F — walk-in guest O — resort hotels & spas C — guest service directory P — registration card H — average room rates Q — star ratings I — early check-in guest Example: (B) 客房总收入 (F)未预约的客人 ( )温泉度假酒店 ( )按日计