《明史·志·卷三十三》
也命令穿着本国风咱的服饰，入内朝见中宫皇后，赐给中原之国的服饰，致谢。
亦令衣本俗服，入见中宫，赐中国服就谢。
He also ordered the envoys to wear their own clothing, and enter the palace to meet the empress, when they would be given clothes from the Central Plains and offer their thanks.
<s>[INST] Kindly elucidate the central themes in this passage in English: 亦令衣本俗服，入见中宫，赐中国服就谢。 [/INST] He also ordered the envoys to wear their own clothing, and enter the palace to meet the empress, when they would be given clothes from the Central Plains and offer their thanks.</s>
Kindly elucidate the central themes in this passage in English: 亦令衣本俗服，入见中宫，赐中国服就谢。
user
He also ordered the envoys to wear their own clothing, and enter the palace to meet the empress, when they would be given clothes from the Central Plains and offer their thanks.
assistant