"We need to recognize at the outset that what we do to animals from their perspective certainly, and probably from ours is morally wrong and unacceptable, and that it's really important to follow through on all these exciting new leads into ways of doing research without using animals."

VOA: standard.2010.02.16

stem cell research can go on without the ethical dilemma provided by killing embryos.

干细胞研究者可以免受由于杀死胚胎而带来的道德困境。

干细胞和伦理 - SpeakingMax英语口语达人

stem cell research can go on without the ethical dilemma provided by killing embryos.

干细胞研究者可以免受由于杀死胚胎而带来的道德困境。

干细胞和伦理 - SpeakingMax英语口语达人