classified bonds

例句：

1. 1. The company has classified its products into different categories.
   该公司已将产品分类为不同的类别。
2. 2. The classified ads were very helpful in finding a job.
   分类广告在找工作方面非常有帮助。
3. 3. The classified ads are available online and in print.
   分类广告既可以在线也可以印刷。