However, there still exist some problems in the preparation of traveling or during the traveling. First, we may not get tickets when many other people are also planning a trip. Second, we may become too exhausted due to the long-time journey. All in all, the advantages brought by traveling outweigh the disadvantages. It is still essential for us to see the outside world. 但是,在准备旅行和旅行的过程中仍然会存在一些问题。首先,我们可能得不到票当其他许多人也在计划旅行的时候。第二,由于长期旅行我们会变得非常疲惫。 总之,旅行利多弊少。对我们来说看看外面的世界仍然很必要。