"Some early humans were making stone tools and they were bad at it and so they quit," Williams says.

“一些制作石器的早期人类，发现自己技不如人，于是他们就放弃了，”威廉姆斯说。

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The process starts early but it is never too late to quit and the sooner you quit the sooner you start to reduce the harm.

这个过程很早就开始出现，但戒掉烟总比不戒好，而且戒烟越早，就能越早开始降低对身体的伤害。

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Starting the new year right - During the holiday season it is easy to miss training sessions, or quit early because of work, family and social commitments.

长跑训练 每年良好的开局——经过一个假期你很容易松懈了训练，或者由于工作、家庭和社交活动而很早停止了训练。

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If they quit early, it comes out of the retailer's cut.

FORBES: Magazine Article

Anti-smoking charity Ash described the research as "chilling" and as a warning that it is never too early to quit.

BBC: Smoking

After a turbulent couple of weeks for Liverpool which led to speculation in Saturday's newspapers boss Rafa Benitez might quit the club, it was a much-needed early season boost for the Reds.

BBC: Sunderland 0-1 Liverpool