The relationship between wages and employment is not as straightforward as some models suggest.
Time does not exist. For the river, there is only the present moment—no past, no future.
写作的行为是对遗忘的抵抗行为。
Sustainability isn't a choice—it's our responsibility to future generations.
翻译:君子与朋友一起探讨学问。
The most important skill for an empirical researcher is not math, but judgment.
The beauty of mathematics lies in its simplicity and depth.