"Since that time we've really learned that as close as they are to human species, they're not close enough for any real scientific outcomes for drug testing.I think like that" That's Elizabeth Kucinich, wife of U.S. Congressman Dennis Kucinich, she is a long-time animal welfare advocate and serves as director of public affairs, for the Physicians Committee "Over 80 different HIV-related vaccines have worked in chimpanzees but none have proven effective in human beings.

VOA: standard.2010.02.16

This may sound a little bit too much, but I'm no different than that animal, than that tree, than that rock.

这也许一下子很难接受，但我与各种动物没有不同，也与树木，岩石无异。

普林斯顿公开课 - 人性课程节选

It can come from animal sources and from vegetable sources, and the two have different impacts on health.

它可能来自动物,也可能来自植物,这两种对健康的影响各不相同

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Another thing that's different about human cells and animal - human cells and bacterial cells is that many bacterial cells can swim and can exist in suspension, that means just suspended in a fluid.

人类细胞和动物细胞--,和细菌细胞,另一个重要不同是,许多细菌细胞可以游动,可以生活在悬浮液中,就是说可以悬浮在液体中

耶鲁公开课 - 生物医学工程探索课程节选