n. The branch of knowledge concerned with the production, consumption, and transfer of wealth. 经济学
例句: Economics plays a crucial role in shaping government policies.
经济学在制定政府政策中起着至关重要的作用。
派生词adj. economic adv. economically n. economist
近/同义词 finance, commerce
主语 (Subject): The Austrian School of economics
谓语 (Predicate): has received
宾语 (Object): renewed attention
时态 (Tense): 现在完成时 (Present Perfect)
语态 (Voice): 主动语态 (Active Voice)
时间状语 (Temporal Adverbial): in the past few decades
引导词 (Conjunction ): as
its free-market policy conclusions and association with libertarianism have played a growing role in academic and public debate.
类型 (Clause Type): 原因状语从句 (Causal Adverbial Clause)
主干 (Main Structure): its free-market policy conclusions and association with libertarianism have played a growing role
主语 (Subject): its free-market policy conclusions and association with libertarianism
谓语 (Predicate): have played
宾语 (Object): a growing role
时态 (Tense): 现在完成时 (Present Perfect)
语态 (Voice): 主动语态 (Active Voice)
地点状语 (Locative Adverbial): in academic and public debate
主语 + have/has + 过去分词 (Past Participle)
用法：
1.表示过去某个动作对现在的影响：
She has finished her homework.
解释: 作业已经完成，影响现在——她现在不用再做作业了。
2.表示从过去开始并持续到现在的动作或状态：
They have lived in this city for ten years.
解释: 他们从十年前开始住在这座城市，并一直住到现在。
3. 表示某个时间段内重复发生的动作：
We have visited that museum several times.
解释: 在某个过去到现在的时间段内，去过那家博物馆多次。
例句：
1. The Austrian School of economics has received renewed attention in the past few decades.
2. She has studied French since she was a child.
常用时间状语: since, for, just, already, yet, ever, never, recently
用法：表示主句动作发生的原因，可以放在句首或句中
As it was raining, we stayed indoors.
We stayed indoors as it was raining.
因为下雨了，我们待在屋里
例句：
1. As the traffic was heavy, we arrived late.
2. As the store was closed, we couldn't buy what we needed.
3. As I forgot to set an alarm, I overslept this morning.
1. 由于她已经完成了作业，所以她现在可以出去玩了。
2. 因为他们已经看过这部电影，他们决定不再去电影院。
3. 由于他们已经提前计划好了行程，他们的假期非常顺利。
4. 因为我已经吃过午饭了，所以我现在不觉得饿。
例句: The company has expanded significantly in the past few decades.
例句: Technology plays an important role in modern education.
例句: The government is adopting a free-market policy to encourage competition.
例句: The scientist’s association with the university has lasted for over 20 years.
B: Yeah, I’ve heard it’s been getting more attention recently.
A: Right! Especially because of its free-market ideas. A lot of people are talking about how it’s linked to libertarianism.
B: I see. Do you think their policy conclusions can really work in today’s world?
A: Yeah, I do. I believe the free market is still the most efficient way to promote economic growth. It’s definitely a hot topic in academic debates.
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