我们把男人当成神,他们却离我们而去;有些把男人当成畜生,他们反倒摇尾乞悯,而且忠心耿耿。
在科学领域,我们必须准备好接受我们最珍视的理论有一天可能会被取代。
估计问题的性质不同。在这里,我们不关心检验特定的假设,而是关心估计参数的值。
水产养殖的创新不仅仅是技术问题;更是确保子孙后代能够繁荣发展的可持续实践。
让睁眼看着玫瑰花的人也看看它的刺。
The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.