I became insane, with long intervals of horrible sanity.
统计假设检验是一个古老的问题,但其现代处理始于内曼和皮尔逊的工作。
Leadership is about making tough decisions today that will benefit future generations.
过去是一条河流,我们都被它的水流带走。
预测未来的最好方式就是创造未来。