That's something physicalist or dualist can say but and this is not of--to make a good promise they offered earlier, it's not the only view available to physicalists, or for that matter dualists.

物理主义学者或二元论者都可认同,这个观点，但如同他们之前提到的,这并不是物理主义学者眼中,唯一存在的理论，二元论者也是如此。

耶鲁公开课 - 死亡课程节选

trying to make something that is good for the students,

试图做出一点有益于学生的东西。

I can't help but 实战 - SpeakingMax英语口语达人

Oftentimes, inventions that seem, in the abstract, to be good ideas may be impossible because something that you have to do to make it actually come into practice is too expensive and so it's not economic to produce the invention.

通常在理论上,创新固然不错,但却很难实现,因为把创意变成现实,花费会相当的昂贵,实现这样的创意非常不合算

耶鲁公开课 - 金融市场课程节选