《汉书·传·董仲舒传》
而且古时候考核官吏的功劳，是按照做官是否称职来区分的，不以在任时间的长短为标准。
且古所谓功者，以任官称职为差，非谓积日累久也。
Moreover, in ancient times, the assessment of officials' merits was based on whether they were competent in their duties, not on the length of time they served.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 且古所谓功者，以任官称职为差，非谓积日累久也。 [/INST] Moreover, in ancient times, the assessment of officials' merits was based on whether they were competent in their duties, not on the length of time they served.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 且古所谓功者，以任官称职为差，非谓积日累久也。
user
Moreover, in ancient times, the assessment of officials' merits was based on whether they were competent in their duties, not on the length of time they served.
assistant