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Every mathematical problem has a solution, but not every solution is immediately apparent.
每个数学问题都有解决方案,但并非每个解决方案都显而易见。
不应幸灾乐祸,也不应在他人危难时加以利用!这仁义之心,太珍贵了!并且真正的强者不会在别人落难时出手,而是给予帮助!
True progress happens when we listen to both scientists and farmers.
I'm the reason your teacher can't teach.