selective dump

例句：

1. 1. The company offers a range of products with different levels of selectivity.
   该公司提供一系列产品，具有不同级别的选择性。
2. 2.The research team focused on the selective breeding of plants for specific purposes.
   研究团队专注于为特定目的进行植物的选择性育种。
3. 3. The selective breeding process is crucial in developing new varieties of crops.
   选择性育种过程在培育新品种作物中至关重要。