Once on the site, users could chat with other participants of the study in a kind of mini-Facebook setting.

用户在线时，可以通过mini-facebook与其他参与者聊天，交流感想。

youdao

Once on the site, users could chat with other participants of the study in a kind of mini-Facebook setting.

用户在线时，可以通过mini-facebook与其他参与者聊天，交流感想。

youdao