classification of consumption expenditure

例句：

1. 1. The scientists classified the new species intodifferent groups.
   科学家们将新物种分为不同的组。
2. 2. The museum has a classification of allits exhibits.
   博物馆对所有展品进行了分类。
3. 3.The classifier was able to classifythe objects based on their physical characteristics.
   分类器能够根据物体的物理特性进行分类。