These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it might be possible to regenerate damaged joints using a patient's own stem cells.

VOA: standard.2010.08.11

Now, this is a fair effort. It is about as wrong as anything can be wrong in any possible way.

作者很努力才作出这个猜想,但这个猜想错得一塌糊涂。

耶鲁公开课 - 心理学导论课程节选

Now, this is a fair effort. It is about as wrong as anything can be wrong in any possible way.

作者很努力才作出这个猜想,但这个猜想错得一塌糊涂。

耶鲁公开课 - 心理学导论课程节选