林女士：(笑)您上次是在两年前，对吧？

Ms. Lin: (laughing) Your last time was two years ago, right?

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希斯·克里夫不允许林顿吃药，然后他死掉了。不久之后，哈里顿试图跟笑凯西成为朋友，但因为之前被哈里顿冷淡过，她依然对他很冷漠。

Heathcliff does not allow Linton any medical help and he dies. Later on, Hareton tries to start a friendship with Cathy but, because of his previous neglect, remains aloof.

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“笑是欢乐，是积极地参与生活，”鲍林格林大学（Bowling GreenUniversity）心理学教授亚普·潘克斯普（JaakPanksepp）说。

"It's joy, it's positive engagement with life, " said Jaak Panksepp, a Bowling Green University psychology professor.

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