He says the region's Baluch people have important ethnic and cultural differences from Pashtuns in the tribal belt that make them less willing to harbor militants.

VOA: standard.2009.03.19

And there are some more differences too in language. So what are we to make of this?

是不同的，同时，它们使用的语言也是不同的,那我们要怎么理解这一点呢？

耶鲁公开课 - 旧约导论课程节选

Exactly how the differences in bacteria might make vaginally born babies less prone to allergies and asthma isn't yet clear, but it does point to a difference that researchers can look at going forward.

VOA: standard.2010.06.30