做成一件事要有缘分,抓住机遇,准确把握其轻重缓急,会使其尽善尽美;如果时运不济,抓不住机会,那么每做一事,均不得成功。
The Milky Way’s black hole is our closest laboratory for studying extreme gravity.
真相往往隐藏在显而易见之处。