It is not a perfect contraceptive." And May adds, women still face barriers to full reproductive rights.

VOA: standard.2010.05.12

It's never perfect and we can't figure out yet a way to make it perfect and we still have small investors who are defrauded, who are treated badly.

事无完美,至今还没有完美的办法,仍然有许多小投资者,遭受欺诈,成为受害者

耶鲁公开课 - 金融市场课程节选

Of course, they won't be perfect, there's a mixed character of the world of Homer, but still, if you look at the world of Odysseus, his home, what's going on in Ithaca, there are some valuable clues.

当然,并不是完美的答案,荷马史诗里写了一些只言片语,如果你继续阅读《奥德赛》里面的故事,在他的家乡伊萨卡岛发生了什么,你会找到很多有用的线索

耶鲁公开课 - 古希腊历史简介课程节选

It's taken a few weeks, it's still not perfect, but I think it will come together eventually.

CNN: Iraqi forces now calling the shots

The sky is still a perfect cloudless blue and the forecasters have dropped their previous prediction of rain by the weekend.

BBC: US crops tell story of future world food prices

But the wonderful thing is that 46 years later, the original Planet of the Apes (not the awful 2001 remake) is still a perfect metaphor for our world.

FORBES: Yes, The Middle East is Like Planet of the Apes