How much does a room with half board cost?

board 在这里指"膳食、伙食"，源自木板(table)作为用餐桌面的传统用法。 half board 是酒店术语，指包含早餐和一顿主餐(通常是晚餐)的住宿套餐，区别于全包(full board)和仅住宿(room only)。