一天,我在房间里做作业。在攻克一道难题时,我一边思考,一边无意识地用笔头在头发上不停地摩擦着,仿佛这样做会打开我的思路,能破解这道难题。一会儿过后,难题并没有解决,我只好把手中的笔放在了桌面上。说来也巧,那天桌面上恰好有许多细小的纸屑,被我摩擦过的笔头突 One day, I do my homework in the room. As I tackle a difficult problem, I think unconsciously rubbing my head on my hair, as if doing so would open my mind and break the puzzle. After a while, the problem was not resolved, I had to put the pen in my hand on the desktop. So coincidentally, that day there were just so many small scraps of paper on my desktop that I had rubbed my head