隨著中國躍升為世界第二大經濟體，其崛起成為世界各國關注的現象。與此同時，中國政府致力推動「中國對外宣傳大布局」計畫，藉此改善其在全球的國家形象。然而，美國自2017年起陸續發布涉及中國貿易政策的相關文件，中美雙方於2018年爆發貿易戰，兩國的緊張關係因此升溫。在此背景下，中國如何透過官方媒體論述其與美國的貿易衝突，便成為值得關注的議題。

本研究以中國大陸對美國的公眾外交作為主題，選取中國官方媒體《環球時報》及其英文版Global Times作為研究對象，並以2018年至2020年間有關中美貿易戰的6組中英對應社論作為研究文本，採用Robert Entman提出的框架理論及其四功能模型，分析中英社論在問題定義、因果歸因、道德判斷與解決方案上的呈現方式。

研究發現，《環球時報》中文社論與Global Times英文社論會因受眾不同而採用不同的論述策略，呈現「內外有別」的情況。隨著中國與美國的貿易衝突由緊張升溫逐漸轉向和緩，中英社論的論述方式與批判對象亦有所轉變。整體而言，中英社論皆將美國界定為發起貿易戰的責任方，並強調中國採取反制措施的正當性，同時建構並呈現中國作為理性、負責任且重視合作的大國形象。

As China has become the world’s second-largest economy, its rise has attracted global attention. At the same time, the Chinese government promoted the “Grand External Propaganda” strategy to improve the country’s national image around the world. However, since 2017, the United States has issued several documents related to China’s trade policies. In 2018, the two countries entered a trade war, leading to increased tensions between them. Against this background, China’s framing of its trade conflict with the United States through state media has become an important issue.

This study focuses on China’s public diplomacy toward the United States. It uses the Chinese state media Huanqiu Shibao and its English-language version Global Times as research subjects. The materials are six pairs of Chinese and English editorials on the U.S.–China trade war from 2018 to 2020. Based on Robert Entman’s framing theory and its four functions, this study analyzes how the Chinese and English editorials define problems, diagnose causes, make moral judgments, and suggest remedies.

The findings show that the Chinese editorials of Huanqiu Shibao and the English editorials of Global Times use different discourse strategies targeting different audiences, reflecting an “internal-external distinction.” As the trade conflict between China and the United States shifted from escalation to easing, the discourse style and objects of criticism in the editorials also changed. Overall, both versions define the United States as the responsible party for initiating the trade war and emphasize the legitimacy of China’s countermeasures. At the same time, they construct and present China’s image as a rational, responsible, and cooperative major power.

壹、中文部分
一、專書
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高長。《美中貿易戰其實才剛開打》。台北市：時報文化，2019。
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貳、英文部分
一、專書
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Nye, Joseph S., Jr. “Public Diplomacy and Soft Power.” The Annals of the American Academy of Political and Social Science 616, no. 1 (2008): 94–109.
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