周日休息,去同事家小聚。期间与同事家正在上小学四年级的小孩玩了起来,在玩具僵尸大战中,逐渐拉近了我们之间的距离。而后,我试探地询问他的学习情况,他开始了滔滔不绝地叙说。在叙说中提到了数学黑洞、哥德巴赫猜想、脑电波、百慕大磁雾现象、 Rest on Sunday, get together colleagues colleague. Playing with my colleague’s fourth grader in elementary school, I gradually narrowed the distance between us during the toy zombie war. Then I tentatively asked him about the learning situation and he began to talk endlessly. Mentioned in the narrative math black hole, Goldbach conjecture, brain waves, the phenomenon of magnetic fog in Bermuda,