常用制动是充气制动，排气缓解的。

近来某网站对人们外出旅游的频率和目的进行了一次问卷调查，结果见下图。请根据图表提供的信息用英语写一篇短文，介绍图表所示此次调查结果，并谈谈你自己外出旅游的目的。词数100字左右。文章的开头已经给出。

表1                                        表2  

Recently an online survey on traveling has been conducted.  In the survey, people are asked about how often and why they travel, and the results are as follows.

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