《史记·三十世家·留侯世家》
张良的父亲死后二十年，秦国灭亡了韩国。
卒二十岁，秦灭韩。
Twenty years after Zhang Liang's father died, Qin destroyed Korea.
<s>[INST] Kindly elucidate the central themes in this passage in English: 卒二十岁，秦灭韩。 [/INST] Twenty years after Zhang Liang's father died, Qin destroyed Korea.</s>
Kindly elucidate the central themes in this passage in English: 卒二十岁，秦灭韩。
user
Twenty years after Zhang Liang's father died, Qin destroyed Korea.
assistant