There are porter robots employed to carry luggage to and from rooms, and cleaning robots employed to keep the hotel spotless of their own accord.
有用来搬运行李，并从房间门房机器人，清洁机器人用来保持酒店一尘不染他们自己的协议。
There are porter robots employed to carry luggage to and from rooms, and cleaning robots employed to keep the hotel spotless of their own accord.
有用来搬运行李，并从房间门房机器人，清洁机器人用来保持酒店一尘不染他们自己的协议。
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