他们说有一小部分“马路疯子”在错误的道上开车时实际上会减轻交通堵塞的几率而不是加重交通堵塞，且他们有一个有趣的模型来证明它。

They say that a small proportion of lunatics driving on the wrong side of the road actually reduces the chances of a jam rather than increasing it and they have an interesting model to prove it.

youdao

这将加重世界的贫穷而不是减轻它。

That they might contribute to hardship for the world's poor is another argument for reducing them.

youdao

本病起病缓慢，呈周期性加重与减轻，多有数年的缓慢演变过程。

Slow onset of the disease, with the cyclical increase mitigation, many for several years, the slow process of evolution.

youdao