There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.
如果你想飞翔,就必须放下拖累你的东西。
数学中的每个问题都有解答,关键在于找到正确的路径。
在变革时期,学习者将继承地球,而学富五车的人会发现自己装备精良,却面对一个不复存在的世界。