《太平广记·卷一百八十七·职官》
官职大的可以代替下属官员办事，下属官员不可以代替官职大的官员办事。
上可兼下，下不可兼上。
The official with a higher position can replace the subordinate official, but the subordinate official cannot replace the official with a higher position.
<s>[INST] 请将下面的文言文翻译成英语: 上可兼下，下不可兼上。 [/INST] The official with a higher position can replace the subordinate official, but the subordinate official cannot replace the official with a higher position.</s>
请将下面的文言文翻译成英语: 上可兼下，下不可兼上。
user
The official with a higher position can replace the subordinate official, but the subordinate official cannot replace the official with a higher position.
assistant