
theory
词源
源自希腊语 'theoria',意为 '观察、思考',后经拉丁语 'theoria' 传入英语。
noun
❶ 理论,指对某一现象或问题的系统性解释,通常基于观察和推理,但尚未被完全证实。
“Einstein's theory of relativity changed our understanding of space and time.”
(爱因斯坦的相对论改变了我们对空间和时间的理解。)
“Scientists are still testing the new theory about the origin of the universe.”
(科学家们仍在验证关于宇宙起源的新理论。)
❶ 学说或观点,指个人或群体对某一问题的看法或主张。
“He has his own theory about why the company failed.”
(他对公司失败的原因有自己的看法。)
“Different economists have different theories about inflation.”
(不同的经济学家对通货膨胀有不同的观点。)
常见短语
in theory — 理论上,指某事在理想或假设的情况下成立,但实际可能不同。
“In theory, the plan should work, but we need to consider real-world challenges.”
(理论上这个计划应该可行,但我们需要考虑现实中的挑战。)
game theory — 博弈论,研究决策者之间策略互动的数学理论,常用于经济学和政治学。
“Game theory helps us understand how competitors might react to each other's moves.”
(博弈论帮助我们理解竞争者如何对彼此的行动作出反应。)