《论衡·卷二·无形篇》
现在说他们寿命增加了，却不说他们形体是否改变，这不能相信。为什么呢？
今言年增，不言其体变，未可信也。
Now, it is said that their lives were extended but it is not said whether they changed their physical form; this cannot be believed. Why not?
<s>[INST] Translate the following Classical Chinese text into modern Chinese: 今言年增，不言其体变，未可信也。 [/INST] 现在说他们寿命增加了，却不说他们形体是否改变，这不能相信。为什么呢？</s>
Translate the following Classical Chinese text into modern Chinese: 今言年增，不言其体变，未可信也。
user
现在说他们寿命增加了，却不说他们形体是否改变，这不能相信。为什么呢？
assistant