A people without children would face a hopeless future; a country without trees would face a future with even less hope.
我们距离完全理解M理论还很远,但这一旅程已经带来了难以置信的回报。
勇于竞争
占据有利位置,更容易成功。
【释义】:遵循礼的准则,不随意议论他人,不吝啬自己的付出。