The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to go to war with one another.
The best way to understand labor markets is to look at real-world data, not just theoretical models.
理解劳动力市场的最佳方式是观察现实数据，而不仅仅是理论模型。
当你把幸福掌握在手中的时候，它看起来总是微不足道，但当它不见的时候，你才会了解它是多么重要和珍贵。（5月30日之每日名言）
可持续性不是一种选择；它是我们星球未来的必需品。
I wonder how many people I've looked at all my life and never seen.
Hope is not a feeling; it is a doable thing.
成功不是终点，失败也不是致命的：重要的是继续前进的勇气。