This study works over the restrictions of textual context, situational context and cultural context on speech acts and explores how to use appropriate speech acts in different contexts.

本文研究了上下文语境、情景语境和文化语境对言语行为的影响，并探索了怎样在不同语境中使用恰当的言语行为。

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Moreover, historians study people across the nation, but much literary scholarship called "American" actually examines works produced in northeastern states.

此外，历史学家研究的是全国各地的人，但很多被称为“美国人”的文学学者实际上研究的是美国东北部各州的作品。

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A new Peabody study of the Tennessee Voluntary Pre-K program reports that pre-K works, but the gains are not sustained through the third grade.

对田纳西州志愿学前教育项目的一项皮博迪新研究报告称，学前教育是有效的，但这种效果不会持续到三年级。

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The second thing that I will argue for in addition to studying what works is also to study the best.

第二，我认为,除了要研究可行的方法，还要研究最优秀的个体。

哈佛公开课 - 幸福课课程节选

And in that class, we study great works of western philosophy, like going back as far as Plato through Aristotle,

在这门课上，我们学习西方哲学的伟大作品，比如说通过亚里士多德讲到年代久远的柏拉图，

有趣的课程 - SpeakingMax英语口语达人

Second reason for having positive psychology's field of study and focusing on what works and focusing on research in happiness,relationships and wellbeing is because happiness does not spontaneously rise when take unhappiness away.

第二个研究积极心理学的原因,研究可行的事和,研究快乐，人际关系，幸福的原因,是因为幸福不会因为驱除了忧愁,而自动增长。

哈佛公开课 - 幸福课课程节选

Years ago I set out to purchase museum-quality ancient art from private hands, to care for it, study the works, keep them in trust and display and lend them.

FORBES: There's Big Money And The Need For Reform In The Antiquities Trade

Assuming the relation between test scores and future growth is indeed causal, the OECD study also works out the economic benefits of improving cognitive skills by the equivalent of nine months' worth of schooling.

ECONOMIST: Spending on education

In 1999 JAMA published a study saying CBT works for insomnia.

FORBES: Magazine Article