银河系中心是强引力下的一个独特的自然实验。
The galactic center is a unique natural experiment in strong gravity.
Resilience in business comes from diversifying both energy sources and strategies.
眼睛看百步以内的东西，尚且没法看得一清二楚，而要把自己看见的就认为是实际有的，没有看见的就认为是没有的，这样的话天下所没有的东西，可就多了。
每个艺术家最初都是业余爱好者。
The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.
