1, where to go: 1) Advantages: the prices of major agents can be compared, and the price comparison is convenient, which is suitable for users who pursue cost performance. 2) Disadvantages: The main reason is that everyone has a platform to go to, and we need to choose an agent, so the service is uneven, so we should choose a good one. But you can also distinguish where to go, usually with big agents or hotels and airlines. 2, Ctrip 1) Advantages: Most of the products are their own, and the service is relatively guaranteed, but now it is also a platform, and there are a few other agents, which are suitable for users who don't care about the price. 2) Disadvantages: the price is single and uncompetitive, and other agents have begun to join. 3. Summary: Compared with where to go, agents can compare prices or find agents with good service, which is convenient.