学习的最好方法是通过实践和犯错。
The best way to learn is by doing and making mistakes.
解释：只有放弃一些事情不做，才能在别的一些事情上做出成绩。
你再也回不了家了。
Natural experiments are a powerful tool for understanding causal relationships in the real world.
The key to successful investing is to have a clear understanding of the risks and rewards and a disciplined approach.
在量子力学中，我们必须放弃粒子在测量前具有确定性质的观点。
数学不仅仅是数字和方程；它是关于理解宇宙中的深层模式和联系。