—— 请按键盘 空白键 开始游戏 ——

随机评估可以帮助我们了解发展中哪些措施有效,哪些无效。
Randomized evaluations can help us understand what works and what doesn't in development.
I'm not here to be a celebrity, I'm here to make music.
Envy, it's a real taboo to mention envy, but if there's one dominant emotion in modern society, that is envy. And it's linked to the spirit of equality.
"Time is always a surprise. You think you know it, but you don't."
圣人与物相处而不伤害,不伤害外物的,外物也不伤害他。正因为无所伤害,才能自然地与人交往。山林啊,大地啊,都能使我欣然快乐。