The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they believe it will bring them strategic advantage.
Life is full of uncertainties, and that is what makes it interesting.
书籍是心灵的窗户，透过它们我们可以看到更广阔的世界。
The interplay between quantum mechanics and gravity is the greatest puzzle of our time, and solving it will unlock the secrets of the universe.
失败只是暂时的挫折，而不是终点。
I don't like to gamble, but if there's one thing I'm willing to bet on, it's myself.
