Prick holes in the paper with a pin.

用大头针在纸上扎洞。

《牛津词典》

Note that you can employ the structure in Table 3.1 independently of your product backlog tool, for instance, by appropriately arranging paper CARDS on a pin board, whiteboard, or the office wall.

在使用你的产品待办事项列表工具的时候，你也可以单独使用表3.1的结构，比如在一块插针板、白板或者公司的墙上适当地排列纸质卡片。

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The PIN digits you punch into an ATM’s keypad are leaving traces of themselves behind in the form of heat, says a paper recently presented by a team of UC San Diego security researchers.

加利福尼亚大学圣地亚哥分校的研究小组在近日发表的论文中指出，你在ATM机上键入的密码会以你手指余温的形式留下线索。

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Those numbers are far lower than many estimates of the amount of cash involved in match-fixing and betting on rigged matches, but prosecutors said the amounts they named are what they can directly pin down through paper trails, phone records and computer records.

WSJ: Soccer Match-Fixing Probe Uncovers Suspicious Games

Robert Jordan unpinned a safety pin that ran through his pocket flap and took a folded paper out of the left breast pocket of his flannel shirt and handed it to the man, who opened it, looked at it doubtfully and turned it in his hands.

NPR: Robert Jordan, Hemingway's Bipartisan Hero