调查人员称，袭击者周三入住万豪酒店，并在18楼的一个房间组装了炸弹，爆炸后在此房间还发现了一颗未引爆的炸弹。
Investigators say the bombers had checked in to the Marriott on Wednesday and assembled the bombs in a room on the 18th floor, where an unexploded device was found after the blasts.
我经常入住万豪集团的酒店，有时候也会选择竞争对手经营的酒店。
Oftentimes I choose to stay in a Marriott Group hotel, or in a hotel of our competitors.
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