海洋养育了数十亿人,我们有责任确保它在未来几个世纪继续这样做。
我们对宇宙了解得越多,就越意识到我们还有多少尚未发现的东西。
The charm of mystery novels lies in the fact that they are not just about solving puzzles, but also about exploring human nature.
如果自己道德高尚,就不会被外界不正的东西所迷惑。