Punch a hole in the middle of the paper cover where the hole of the spool is. Now your hole should run through the paper, spool, and cardboard without any obstructions.

在纸片棉线轴洞的位置打个洞，这个洞贯穿了纸片、棉线轴和硬纸板，洞内没有其他遮挡物。

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In the old days, a designer working on an airplane wing handed a bunch of punch CARDS to the computer operator and waited a week to get back thousands of Numbers on fanfold paper.

那时候，一个设计飞机机翼的工程师会把一大堆穿孔卡片交给电脑操作员，等上一个星期才能拿回来成千上万的数字，而且是写在复写纸上的。

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Simply fold the sheets of the paper, blank side facing up, use a paper punch and thread them together with a ribbon.

只需要用订书器或是线把这些纸钉在一起，空白的一面朝着一个方向即可。

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Small businesses are looking at an increasing number of digital loyalty programs, which replace the traditional paper punch card and help merchants reward their repeat customers.

FORBES: Swipely Expands Credit Card-Based Loyalty Service

At least five different voting technologies will be used November 2: electronic machines, lever machines, paper ballots, optical scanners, and punch cards.

CNN: Voting methods under close watch

On the other hand, as the Treasury paper lays out, non-doms, who include shipping tycoons and City high-fliers, pack an economic punch much weightier than their number, currently around 115, 000.

ECONOMIST: Taxing the foreign rich: Collateral damage | The