qualitative grouping

例句：

1. 1. The new product is qualitatively different from the old one.
   新产品与旧产品在本质上有所不同。
2. 2. The research was qualitative in nature, focusing on the subjective experiences of the participants.
   这项研究的性质是定性的，侧重于参与者的主观体验。
3. 3. The data collected is qualitative and needs to be analyzed further before drawing any conclusions.
   收集到的数据是定性的，需要在进一步分析后才能得出结论。