It can either be a single file or more than one files uploaded during the one week interval.

它可以是单个文件或多个文件上传在一周的时间间隔。

youdao

It can either be a single file or more than one files uploaded during the one week interval.

它可以是单个文件或多个文件上传在一周的时间间隔。

youdao