Book space with the selected carrier.

跟选定的承运人联系订舱。

youdao

As a new type of information carrier, e-book badly need to be preserved.

作为一种新型的信息承载体，电子图书的保存显得尤为重要。

youdao

As a new type of information carrier, e-book badly need to be preserved.

作为一种新型的信息承载体，电子图书的保存显得尤为重要。

youdao