"The difference between correlation and causation is fundamental in empirical work."
山越高,山谷就越深,向下看陡峭的山谷阴森森的
The dead are not absent. They are just invisible.
Sustainability isn't just a trend; it's our responsibility to future generations.
Technology is a tool, humanity is the core.
如果我们愿意负责任地开发,粮食安全的未来就在海浪之下。