The best way to predict the future is to create it.
是大地的泪点,使她的微笑保持着青春不谢。
The signal of human influence on climate has emerged from the noise of natural variability.
一个人的最终衡量标准不是他在舒适和便利时站在哪里,而是他在挑战和争议时站在哪里。