The models are different. The difference between Sunshine Travel's preferred and economical models is that the preferred models are more luxurious than the economical models, but their prices are also higher. The price requirement for Sunshine Travel’s preferred models is between 160,000 and 180,000 yuan, while the price requirement for economical models is between 100,000 and 160,000 yuan, and economical models can only accept economic orders, while the preferred models are either economic orders or preferred orders. All can be answered.