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・He doubled his salary by learning English. 彼は英語を学んで 2 倍の給料を得た.🔗🔉

・He doubled his salary by learning English. 彼は英語を学んで 2 倍の給料を得た.

研究社新英和大辞典 ページ 185503 での・He doubled his salary by learning English. 彼は英語を学んで 2 倍の給料を得た.単語。