在夜的寂静中,文字成为我们灵魂最响亮的回声。
模糊集的概念为构建一个在许多方面与普通集框架平行的概念框架提供了一个方便的出发点。
The world is not a wish-granting factory.
The success of IVF is a testament to the power of collaboration between scientists and clinicians.