立彬の日本語
アメリカ経済は世界最大です。
tbd
The United States's economy is the largest in the world.
The U.S. economy is the largest in the world.
America's economy is the largest in the world.
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アメリカ， 亜米利加， 亜墨利加
1. (United States of) America, United States, US, USA
2. America (land mass), the Americas
美国；美洲
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経済， けいざい
1. economy, economics
2. finance, (one's) finances, financial circumstances
3. being economical, economy, thrift
经济
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世界最大， せかいさいだい
1. world's largest
tbd
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调