物理学中的每一个发现都打开了一个新的问题领域,提醒我们追求知识是一个无尽的旅程。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
解释:才华有高下之分,没有古今之别;文章有真实、虚伪之差,没有新旧之异。
动物福利不仅仅是伦理问题——它是好的科学和好的商业。