Homo sapiens is always, and in the same measure, homo socius.
智人」在同等尺度上总是「社会人」。
But I can't say it is unique, because it exists elsewhere too, although perhaps not in the same measure.
但是我不敢说它是独特的,因为其他国家也有,虽然或许程度不同。
Different trainers will measure you in different ways, so stick with the same person each time and make sure the person is very experienced in measuring body fat.
不同的训练师会用不同的方法测量,所以每次用同一个人,同时确认那个人是在体脂测量上非常有经验的。
Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.
那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人
应用推荐