来自《耶鲁大学开放课程：心理学导论 第3集 第3集》
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but a remarkably successful tool.但它却是非常有效的一种手段 -
The more you pay for something the more you like it付出愈多 喜爱愈甚 -
and the more pain you go through to get something追求时承受的痛苦越大 -
the more you like it.喜欢程度就会越深 -
From the standpoint of politics for instance,比如 从政治学的观点来看 -
if you want loyal people in a political campaign,如果你想在竞选中让手下对自己忠心 -
do not pay them.那就别给他们报酬 -
If you pay them,如果你付了报酬 -
they'll like you less.他们就会不怎么喜欢你了 -
If they volunteer,如果他们都是志愿的 -
they'll like you more.那他们就会更喜欢你 -
And we'll talk about why.我们现在来说说这里的原因