解决全球饥饿的关键不仅是提高产量,还要改善营养质量。
I don't think you should ever regret anything. Everything happens for a reason.
Causal inference is not just about statistical significance; it's about understanding the mechanisms behind the numbers.
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
我们的目标是让消费者以最低的价格买到最好的商品。