We should never forget to turn off the lights when we leave the classrooms.

离开教室时，我们永远不要忘记关灯。

youdao

But we should never forget what we have gone through.

但是我们不应该忘记我们所经历的。

youdao

Historians advise that we should never forget the past.

历史学家们告诫我们，我们不应忘记过去。

youdao

We should never forget that in Tunisia everything started on the ground, in real life.

CNN: How the web fed our 'dignity revolution'

We should never forget that 300 Tunisians, both men and women, sacrificed their lives to allow us to live in dignity.

CNN: How the web fed our 'dignity revolution'

We should never forget that Cameron and Osborne inherited from Blair, Brown and Balls a catastrophe, and they deserve sympathy in their struggle to rescue us from it.

BBC: Autumn Statement: Press reaction