different people group的用法和樣例：
例句
- Men often do not understand the subtle intricacies involved in purchasing gifts for different people at different times.
粗枝大葉的男人們往往不懂得這些如何為不同時令，不同人群，選購不同禮品的錯綜複雜的細節。 - This shows, the sort that does not cause next lumbago diseases with the crowd is different.
由此可見，不同人群導致下腰痛疾病的種類不同。
