《隋书·列传·卷二十二》
按定数而论，这是必克江南的第一个原因。
以运数而言，其必克一也。
According to the decisive number, this is the first reason to take Jiangnan.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 以运数而言，其必克一也。 [/INST] According to the decisive number, this is the first reason to take Jiangnan.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 以运数而言，其必克一也。
user
According to the decisive number, this is the first reason to take Jiangnan.
assistant