David Kramer,former senior State Department official in the George W.Bush administration, says the Russian president will be in northern California to try and form business partnerships and to learn how Silicon Valley got started.

VOA: standard.2010.06.18

So, the idea itself was developed in the nicest form by Thorndike who explored how animals learn.

这个观点,是由探究动物如何学习的,桑代克所提出的。

耶鲁公开课 - 心理学导论课程节选

It wasn't as rigorous about its epistemology, about how we form ideas and how we learn.

它的认识论并不严谨，如何形成理念，如何学习。

哈佛公开课 - 幸福课课程节选