directory delete

例句：

1. 1. I deleted all theold photos from my phone.
   我从手机上删除了所有旧照片。
2. 2. The teacher asked usto delete the homework before class.
   老师要求我们在课前删除作业。
3. 3. Thecompany decided to delete theproduct line due to low sales.
   由于销量低，公司决定删除这个产品线。