A high quality of the environmen

A high quality of the environment is essential for __ ; on the other hand, the quality of the environment is threatened by ___.

参考答案

: The application of the internet over the past few decades has been transforming the way that products and services are distributed to customers. Tourism and hospitality are of no exception Tourists have started to purchase airline tickets and make hotel or tour reservations online. Aside from desktop computers, mobile devices such as smart phones and tablets are heavily used by travelers to book travel-related products and services. Under the traditional distribution model, travelers rely heavily on traditional travel agencies, to buy the products provided by suppliers (e.g. hotels and airlines) via global distribution systems (GDS). Using the Internet, travelers can now directly get travel information and make their bookings via the websites of suppliers.

: There are many types of accommodations, The least expensive type of accommodation is hostel Hostels are dorm-like accommodations with shared bathroom facilities and possibly, a shared kitchen. Originally they are established only for younger travelers. The bed & breakfast concept, also known as B&B, is usually family homes with one or more guest rooms and generally with a shared bathroom. B&Bs offer a unique environment but they do not offer the variety of activities and guest services found in other types of, accommodations. A motel is often a one or two storied building that mainly offers service for motorists, Cars are parked in front of the building. Hotels come in all shapes and sizes and guest services and activities vary widely from one hotel to another.