《礼记·少仪》
始乘之时，尊长尚未出来，驾车人要俯首凭轼，敬候尊长上车。
凡祭于室中堂上无跣，燕则有之。
When the elder has not yet come out, the driver should bow his head and lean on the railing, waiting respectfully for the elder to get in the car.
<s>[INST] Provide a modern Chinese interpretation of the following Classical Chinese passage: 凡祭于室中堂上无跣，燕则有之。 [/INST] 始乘之时，尊长尚未出来，驾车人要俯首凭轼，敬候尊长上车。</s>
Provide a modern Chinese interpretation of the following Classical Chinese passage: 凡祭于室中堂上无跣，燕则有之。
user
始乘之时，尊长尚未出来，驾车人要俯首凭轼，敬候尊长上车。
assistant