This expression probably comes from the ancient writings of the Greek poet Homer. He wrote about the Trojans who lived in the city of Troy. He said Trojans worked very hard to protect their city.这个短语可能来自希腊诗人荷马的史诗.他写到了居住在特洛伊城的特洛伊人.他说,特洛伊人努力保护他们的城市.
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