And what Festinger was interested in was the idea that what happens when people experience an inconsistency in their heads.

令Festinger感兴趣的是,当人们心理活动,产生不一致时，会怎么样。

耶鲁公开课 - 心理学导论课程节选

who're interested, (a) in improving their own Spanish- speaking skills, and (b) helping out the community.

如果他们对这个活动感兴趣，想要提高自己的西班牙语水平，同时愿意为社区尽一份力，

帮助多文化的家庭 - SpeakingMax英语口语达人