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1·Many country towns were still living in blissful ignorance of the post-war crime wave.

很多乡间小镇对战后的犯罪潮一无所知，依然生活在无忧无虑中。《柯林斯英汉双解大词典》

2·The upside of painful knowledge is so much greater than the downside of blissful ignorance.

痛而知道的益处，远大于乐而无知的害处。

3·In the end, we would like our business logic to live in blissful ignorance of the scary magic in the EIS.

最后，我们希望业务逻辑在EIS中能发挥神奇的作用，而无需知道它的原理。

4·Keep smiling, not in blissful ignorance but the acceptation of the reality: that you are what you are, good-looking and valuable.

保持微笑，并不是乐而忘忧地愚昧，而是接受现实：你就是你自己，美丽且有价值。

5·Because of this, people are continuing to microwave their food - in blissful ignorance - without knowing the effects and danger of doing so.

由于这一原因，人们正在继续微波食品-在幸福的无知-不知道的影响和危险这样做。

6·Somehow I lived in blissful ignorance of that fact until quite recently, when I discovered that chemists had pulled off this minor miracle back in 2005.

一直以来我都幸福地无视这个事实，直到最近我才发现原来化学家们将这个微小的奇迹拉回了2005年。

7·That's because they are in love with each other. They are so busy planning their wedding and their future together that they are in blissful ignorance of any problems around them.

那是因为他们正在热恋，忙着准备婚礼以及筹划他们的未来，所以对周围的问题浑然不觉。