1.Provine's conclusion was that the essential ingredient for laughter is not a joke but another person.
普罗文斯总结道，笑的不可或缺的组成部分不是笑话，而是跟这个笑的人在一起的另一个人。
2.Provine and other scientists have studied chimpanzees and found a link between their laughter-like noises and human laughter.
布鲁文教授和其他一些科学家还对黑猩猩进行了相关的研究，他们发现黑猩猩的笑（声音类似于噪音）与人类的笑存在着某种联系。
3.Over the years, Provine, a professor with the University of Maryland Baltimore County, has boiled laughter down to its basics.
多年来，布诺温，美国马里兰大学巴尔的摩分校（UniversityofMarylandBaltimoreCounty）的一位教授，已经总结出了笑的本质。
4.When Provine asked his students to fill out diaries recording their every yawn, certain patterns were clear.
当普罗万让他的学生们把每一次打哈欠都记录下来时，某些示范是很明显的。
5.Yet, Provine is not willing to rule out our evolutionary theory either.
然而，普罗万也不愿意排除我们的进化说。
6.Robert Provine, a psychology professor at the University of Maryland in Baltimore, agrees there is an evolutionary continuity of laughter.
美国马里兰大学的心理学教授罗伯特·布鲁文赞同笑也具有进化连续性的这一说法。
7.says Robert Provine, a professor of psychology and neuroscience at the University of Maryland, Baltimore County.
巴尔缔摩郡的马里兰大学神经与心理学的一位教授如是说。
8."That's my candidate for the most ancient joke, " Provine said.
“这是我作为候选的最古老的笑话，”布诺温说。