请用适当的词完成下面的短文， 补充所缺的单词。每个空只能填写一个形式正确，意义相符的单词。
If you pay a visit to Liu Hasheng's restaurant in Harbin, you will find 18 robots there. They are ready to serve you and sure that your dining experience is perfect. After the visit, you can tell others that robots serving customers isn't a dream any more.
It's wonderful to see the 18 robots work in the restaurant. The wonder starts when you walk in. You ‘ll see a robot come up and say, "Earth person, hello! to the Robot Restaurant." When you have ordered your , the robots in the kitchen begin to do the cooking. After the food is , a robot waiter will glide(滑行) out of the kitchen to serve you with the meal you've ordered. And as customers enjoy their delicious food, a robot lovely songs for them.
You may ask, "Where did all these robots come ?" Liu said they were designed(设计) and by the Harbin Haohai Robot Company. Liu said he invested(投资) 5 million yuan in the restaurant, with robot costing 200,000 yuan to 300,000 yuan. And the whole robot team is managed by the workers in the computer room.
After a busy day, all the robots will go for a "meal", which is electricity. After 5 hours, the robots can continue their work for a day. The restaurant now provides a menu more than 30 dishes(菜肴), and the average(平均) cost for a dinner is about 40 to 50 yuan. Do you want to go and have a try in this restaurant?
