是打仗的需求不强烈。如果很强烈，商人就自动会去鼓励研究枪炮，火药，船只的技术，就会有大发展。

来源: f2022f 于 2026-02-22 17:36:01 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.