But organising 5m drivers to fight back was a hard task, because each driver could hope for a free ride on the efforts of the others, and none had much to gain personally by joining the group.

但要组织五百万的司机对此进行抗议却并非易事，因为每个人都希望他人出力而自己则“搭便车”，坐享其成，而且任何人加入集体后能给他自身带来的利益是微乎其微的。

youdao

The boy faltered for a moment before joining the group.

那个男孩入伙之前犹豫了一会儿。

youdao

We have 90 extension school students who are taking the course via distance education, so we have a huge group that will be joining us at the 2010 CS50 fair and the those photos you saw a moment ago depicted 2009's.

这里有90个来自哈佛开放学院的学生,他们正在通过远程教育来学习这门课程，所以参加2010年CS50课程的团体是很庞大的,刚才你们看到的图片显示的是,2009年的数据。

哈佛公开课 - 计算机科学课程节选

After several line-up and label changes, Sonic Youth entered the 21st century with Chicago producer and musician Jim O'Rourke joining the group.

NPR: Sonic Youth's B-Sides Are Worthwhile and Strong

So, Greece, Portugal and Ireland (with Cyprus just joining the group) all need to get financial help from other eurozone nations.

FORBES: Eurozone: No, The Euro Rescue Might Well Not Work

And he had also been contacted by Labour MPs interested in joining the group, which is due to meet for the first time on 16 October.

BBC: EU referendum: Cross-party campaign launched