宇宙的初始条件是一个深刻的谜,膨胀为宇宙为何看起来如此提供了一个可能的解释。
The initial conditions of the universe are a profound mystery, and inflation offers a possible explanation for why the universe looks the way it does.
天然气开采的创新是满足世界日益增长的能源需求的关键。
背叛的那一刻是最糟糕的,当你毫无疑问地知道自己被背叛的那一刻:那一刻你宁愿死去。
The future belongs to those who dare to dream and have the courage to pursue those dreams.
课程必须被视为达到目的的手段,而不是目的本身。