The lesson of history is grim: Expect a prolonged slump.

历史的教训总是无情的：等着一次漫长的萧条吧。

youdao

Again, the lesson of history is that the answer is "not really".

历史教训再一次表明，答案是㪀“不一定”。

youdao

We were disappointed that they could not learn the lesson of history.

他们没能吸取历史的教训，使我们感到很失望。

youdao

The paintings hanging in these large rooms give a lesson in the history of art over hundreds of years.

VOA: special.2010.08.04

One story line in "The Immortal Life of Henrietta Lacks" is like a history lesson.

VOA: special.2010.07.21

You kind of know the world we're getting into. It is not a history lesson.

VOA: standard.2010.04.08

Now the lesson of history is that bonkers valuations don't persist forever - especially if they are transparent.

BBC: Why break up bid for Vodafone looms

But the lesson of history is that new technologies tend to be most comfortably adopted by new companies.

ECONOMIST: Snatching BT��s bride

The lesson of history is that early, decisive government action can stem the pain and cost of banking crises.

ECONOMIST: The credit crunch