The continuous and reckless use of synthetic chemicals for the control of pests which pose a threat to agricultural crops and human health is proving to be counter-productive.

为控制害虫，人们持续且不计后果地使用人工合成化学品，对农作物和人类健康造成危害，事实证明会产生相反的效果。

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I realized that seriousness for seriousness 'sake was its own kind of trophy, and a dubious one - a pose I sought to counter some half-imagined argument about who I was.

我发现，为了严肃而严肃，本身就是一种虚荣，而且是模棱两可的。是为了反抗我想象中的自我而采取的一种姿态。

youdao

I realized that seriousness for seriousness's sake was its own kind of trophy, and a dubious one, a pose I sought to counter some half-imagined argument about who I was.

我发现，为了严肃而严肃，这本身就是一种虚荣，是一种模棱两可，是为了反抗我想象出的自我而采取的一种姿态。

youdao

Real finally showed a glimpse of the danger they pose when a swift counter-attack ended with Robben's shot being tipped over.

BBC: Real Madrid 0-1 Liverpool

The RAC also wants to see the introduction of a three-tier warning system for over-the-counter drugs so drivers know at a glance which drugs pose a driving hazard.

BBC: Tests for drug drivers

ON's bid does, however, pose a dilemma for Neelie Kroes, the competition commissioner, because it runs counter to her efforts to increase competition in European energy markets.

ECONOMIST: European utilities: Bidding and competing | The