It was a time of mass unemployment.

当时有大批人失业。

The UK, uniquely, has not had to face the problem of mass unemployment.

唯有英国无须面对大量失业的问题。

Some fear a future of mass unemployment.

有些人担心大规模失业的未来。

What can be done about mass unemployment?

我们能为大面积的失业做些什么？

Mass unemployment may lead to social upheaval.

大批失业会导致社会动乱。