The boomerang effect has also played a role in attempts to reduce the availability of illicit drugs.

反向效应也在试图减少非法药物的供应方面发挥了作用。

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A dangerous hubris can exist in attempts to formulate systems of care that claim to answer each and every one of the serious dilemmas faced by consumers and families.

危险的自恃在尝试表述宣称回答每个患者及其家属面对的严重的困境的那些治疗方案中存在。

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Despite a number of setbacks, they persevered in their attempts to fly around the world in a balloon.

虽屡遭挫折，他们仍不断尝试乘气球环游世界。

《牛津词典》

The Iraqi parliament,until now, has failed in attempts to cobble together a bill over oil revenues that would satisfy both Kurds and Arabs.

VOA: standard.2009.07.29

Milton devotes a lot of time in Areopagitica to making a number of attempts to distinguish licensing from censorship.

弥尔顿在《论出版自由》中花了很大功夫,试图区分出版许可管理和出版控制。

耶鲁公开课 - 弥尔顿课程节选

Now, since we're being nerdy in this class, despite our attempts to go dating, we're being nerdy, let's actually be a little bit careful.

现在的内容的确有点枯燥,尽管我们有对约会的美好追求,但我们还是严谨一点好啊

耶鲁公开课 - 博弈论课程节选

The late Hansie Cronje and Salim Malik failed in attempts to overturn verdicts against them.

BBC: Azharuddin played his 99th Test in March 2000

In attempts to add to the positivity, here is my somewhat snarky Top 10 Lessons List.

FORBES: Top 10 Lessons From Ohio State's Tattoo-Gate

What new elements should be introduced into the ecology in attempts to reinforce it?

ECONOMIST: Ascension Island