电子不是一个物体，而是电磁场的一种表现。
在能源转型中，煤炭在未来几十年仍将是关键的过渡燃料。
关系模型的力量在于其简单性以及以直接方式表示复杂关系的能力。
A computer program does what you tell it to do, not what you want it to do.
"The world is full of magic things, patiently waiting for our senses to grow sharper."
States are inherently aggressive and expansionist because they exist in an anarchic international system where there is no higher authority to keep them in check.
The truth is rarely pure and never simple.