可是研究者们发现在现实生活中这种情况根本不存在，激进和胆小的驾驶者的驾驶行为就是会导致已然很慢的交通恶化。

But the researchers found that in real life situations, the behaviour of aggressive and timid drivers led to the slowdown getting worse.

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根本的激进以及失之偏左就意味着在布什的加号旁边划上一个减号。

Essentially being radical and on the left simply means putting a minus next to Bush's plus.

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