Translation of "Millennium" into Chinese

How hard is he affected by the crisis on Millennium?

这件 官司 对 千禧年 影响 会 有 多 大 ?

We've already prepared for the millennium bug.

我們已經準備好應付千年蟲。

Andorra understands that, because without law we would not have survived as a country for nearly a millennium.

安道尔知道这一点,因为如果没有法律,我们作为一个国家就不可能存在将近一千年。