Dopplr serves a similar purpose; however, friends are meant to meet up while traveling.

Dopplr也提供类似的服务，但好友之间可以在旅行时见面。

youdao

Dopplr serves a similar purpose; however, friends are meant to meet up while traveling.

Dopplr也提供类似的服务，但好友之间可以在旅行时见面。

youdao