在资本主义社会中，经济进步意味着动荡。

量子计算中的挑战不仅仅是构建硬件，还包括开发能够利用量子力学的算法。

"The beauty of language is that it can convey the inexpressible, making the intangible tangible."

The only way to change behavior is through manipulation of reinforcement contingencies.

诗歌是人类存在的唯一具体证明。