《宋史·本纪·卷二》
开宝四年春正月初一，因军队出征，太祖不上朝处理政事。
四年春正月戊戌朔，以出师，不视朝。
On the first day of the first month of spring in the fourth year of Kaibao, because the army was on the expedition, Taizu did not go to court to deal with government affairs.
<s>[INST] Kindly elucidate the central themes in this passage in English: 四年春正月戊戌朔，以出师，不视朝。 [/INST] On the first day of the first month of spring in the fourth year of Kaibao, because the army was on the expedition, Taizu did not go to court to deal with government affairs.</s>
Kindly elucidate the central themes in this passage in English: 四年春正月戊戌朔，以出师，不视朝。
user
On the first day of the first month of spring in the fourth year of Kaibao, because the army was on the expedition, Taizu did not go to court to deal with government affairs.
assistant