卡片叠”（card deCk），一袋3xs英寸的图书卡。每张卡片有一本简要介绍，邮件包括一封信和一份订单，有时候卡片本身作为回邮订单，科技和专业出版社经常...
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随时记录：随身携带可记录的东西-笔和纸，掌上电脑，一叠卡片。
Ubiquitous Capture: Always carry something to take notes with - a pen and paper, a PDA, a stack of index CARDS.
因为你的这叠里的卡片数越多，你用来复习的时间越长- - - - - -也就是说，更多的词汇卡会产生更多的间隔学习时间。
Because the more CARDS you have in your stack, the more time passes before you go through the stack and return to a card you've studied before — that is, larger stacks create more spacing.
他们每个人拿起一叠卡片。
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