Many fish live in groups or schools. That's because there is safety in numbers.

许多鱼成群结队的生活。因为只有当他们成群的在一起时才安全。

As with many things, there is safety in numbers.

与许多事情一样， 人多安全。

But what helps is a crowded dancefloor where there is safety in numbers.

但有帮助的是拥挤的舞池， 那里人多安全。