selective gear shifting

例句：

1. 1. The restaurant offers a selection of dishes to choose from.
   这家餐厅提供一系列菜肴供顾客选择。
2. 2. He is selective in his friends and only invites those he knows well.
   他在朋友的选择上很挑剔，只邀请那些他认识的人。
3. 3.The company has a selective hiring process for new hires.
   该公司对新员工的招聘过程非常严格。