I mean,I think that knowing how HIV basically gets transmitted is something that people are afraid, that people know that they have had extra-marital sex-the whole concept of men who have sex with other men-- it's a big taboo, and the region does not want to admit that we have these groups.

VOA: standard.2010.07.07

So this validates de Broglie and it also validates the whole concept of wave-particle duality.

这就证实了德布罗意的观点,也证实了,波粒二象性的原理。

麻省理工公开课 - 固态化学导论课程节选

London insurance companies would because the whole concept of insurance is pooling of independent probabilities.

伦敦的保险公司之所以开展火险,是因为整个保险理念,就是将独立事件发生的风险汇聚起来

耶鲁公开课 - 金融市场课程节选