The extent of the damage could not have been foreseen.

损害的程度是无法预见到的。

《牛津词典》

The offer could not have come at a more opportune moment.

那个建议提得正是时候。

《牛津词典》

I could not have complete peace of mind before they returned.

他们不回来，我心里就不踏实。

《牛津词典》

The largest object ever put into space -- the International Space Station -- could not have been built without the shuttle program.

VOA: special.2010.04.28

If markets were perfectly efficient, David Swensen could not have done what he did.

假设市场完全有效,大卫·斯文森就不可能有现在的成绩

耶鲁公开课 - 金融市场课程节选

Things could not have set about signifying progressively.

东西不可能慢慢的找到自己的代表。

耶鲁公开课 - 文学理论导论课程节选

And A123 could not have gotten as far as it did without help from the government.

FORBES: Is A123 Electric Battery A Waste of $263 Million in Government Funds?

The timing of the Boston marathon slaughter also could not have been more propitious for Putin.

FORBES: Putin Wins, Obama Loses in Boston Extremism

The multi-trillion dollar meltdown of financial markets in 2007-09 could not have been prevented.

FORBES: The Financial Crisis Could Not Have Been Prevented