它们在内容上很不一样，当然都提到了动物牺牲。

They differed in content. Sure they both have animal sacrifice.

youdao

相较而言，没有动物自愿牺牲成为食物。

In comparison, no animals die willingly to be eaten.

youdao

那么，那些为新药物牺牲生命的动物又是否必要呢？

What about animals who give their lives to test new medication?

youdao

那么，那些为新药物牺牲生命的动物又是否必要呢？

What about animals who give their lives to test new medication?

youdao