1. Discuss general trends or observations about people's preferences for planned travel versus spontaneous trips. 2. You can mention the benefits of planned travel, such as cost-effectiveness and thorough exploration, or the reasons why some might prefer spontaneity.

1. 讨论人们对计划旅行与即兴之行的偏好的一般趋势或观察。 2. 您可以提到计划旅行的好处，如成本效益和彻底探索，或者一些人为什么喜欢即兴。