He had already sorted out the issue of succession before he died, and three of his sons, Chagatai, Tolui, and Ogedei, each got to rule a khanate.

他在去世前就已经解决了继承问题，他的三个儿子，察合台、拖雷和窝阔台，分别统治一个汗国。

Instead, after Genghis’ death, the Mongols were left with four really important Empires called Khanates: The Yuan Dynasty in China, the Il-Khanate in Persia, the Chagatai Khanate in Central Asia, and the Khanate of the Golden Horde in Russia.

相反，在成吉思汗死后，蒙古人留下了四个真正重要的帝国， 称为汗国：中国的元朝、波斯的伊尔汗国、中亚的察合台汗国和俄罗斯的金帐汗国。