機器
40
ai
alert
announce
arm
artificial
assistance
backgrounds
bell
booking
butler
call
catering
checkout
client
code
concept
concierge
counter
customer
demand
finger
future
hand
help
hold
holding
hospitality
hotel
industry
inside
people
person
press
pressing
reception
receptionist
restaurant
ring
robot
robotic
servant
service
shot
sound
staff
tech
technology
waiter