下载后，您将收到一则警告，表明将要安装一个未签名的功能。
After the download, you'll get a warning saying that you're about to install an unsigned feature.
督导制作点号单。并向您签名确认。到达新家后，清点物品。物品拆包就位，家具安装。
When reaching new home, count the number, unpacked items, install furniture and put them in the right place.
Android系统要求所有安装的应用程序必需有数字签名。否这系统将不会安装后运行程序在没有合适的签名许可。
The Android system requires that all installed applications are digitally signed — the system will not install or run an application that is not signed appropriately.
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