这位旅行者已经去过三十多个国家。

The ___traveller has visited more than thirty countries.

许多建筑工人是旅行者，他们随着工程项目的变动而迁移。

Many construction workers are ___travellers who move with the changing locations of projects.

这个社区为旅行者提供了专门的停车区域。

The community provides a designated parking area for ___travellers.