Sensitive paper data should be kept in a locked, limited-access area.

敏感的文件数据要锁起来，闲人免进。

youdao

First, 3g network capacity for data access remains limited.

首先，3G网络的数据接入容量仍然有限。

youdao

First, 3g network capacity for data access remains limited.

首先，3G网络的数据接入容量仍然有限。

youdao