后面接介词to，例如：

1、Besides， it is fun to build a new business.此外，创建新公司也很有趣。

2、It is fun to travel ( around) the world.到世界各地旅行真有趣。

3、It is fun to play card games with my best friends.和好朋友打扑克是一件有趣的事情。

4、It's fun to have a picnic in spring.