杜耀豪的母亲与兄弟姊妹的合影，摄于1954年。（受访者供图）
Columnar or ortholinear keyboards stack the keys in orderly columns, often with rows that are not linear. Proponents claim this makes the keys easier to reach. Whether that’s true will be up to your fingers to decide, but I can say for certain that if you learned to type on a staggered keyboard, switching to a columnar layout is tough. It will take days, possibly weeks before you instinctively hit the C key. The N, M and B keys don’t fare much better.
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第五条 在中华人民共和国领域内发生的违反治安管理行为，除法律有特别规定的外，适用本法。