The galactic center is a unique natural experiment in strong gravity.
银河系中心是强引力下的一个独特的自然实验。
The universe could have started in a very smooth and uniform state, and then evolved into the complex and structured cosmos we see today.
电影的力量在于它能够让我们在世界上感到不那么孤独。
If you can make meat directly from plants, why would you need an animal?
我不试图把握市场时机。我只是试图买入被低估的股票。
"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."