例： I was surprised at the cross-section of people there.
我对那里的典型人物感到惊讶。
例： For most research projects it is necessary to talk to a cross-section of the public – people from all walks of life and all ages.
大多数研究项目都需要与典型公众谈话，即各种职业和各个年龄段的人。
例： He also said it was important that the study was done on a broad cross-section of children.
他还说研究应针对较大范围的典型儿童群体进行，这是很重要的。