《晋书·志·第十七章》
到元康年问，氐族羌族相反叛，永嘉后，刘渊、石勒终于夺取中都，从此后四夷交替占据中原之地，这是服饰妖异的应兆。
至元康中，氐羌互反，永嘉后，刘、石遂篡中都，自后四夷迭据华土，是服妖之应也。
During the Yuan Dynasty, the Di and Qiang peoples rebelled respectively. After the Yongjia Rebellion, Liu Yuan and Shi Le finally captured the Central Capital. Since then, the four barbarians have taken turns occupying the Central Plains, which is a manifestation of the strangeness of clothing.
<s>[INST] Kindly elucidate the central themes in this passage in English: 至元康中，氐羌互反，永嘉后，刘、石遂篡中都，自后四夷迭据华土，是服妖之应也。 [/INST] During the Yuan Dynasty, the Di and Qiang peoples rebelled respectively. After the Yongjia Rebellion, Liu Yuan and Shi Le finally captured the Central Capital. Since then, the four barbarians have taken turns occupying the Central Plains, which is a manifestation of the strangeness of clothing.</s>
Kindly elucidate the central themes in this passage in English: 至元康中，氐羌互反，永嘉后，刘、石遂篡中都，自后四夷迭据华土，是服妖之应也。
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During the Yuan Dynasty, the Di and Qiang peoples rebelled respectively. After the Yongjia Rebellion, Liu Yuan and Shi Le finally captured the Central Capital. Since then, the four barbarians have taken turns occupying the Central Plains, which is a manifestation of the strangeness of clothing.
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