你不用安装软件在您的移动设备。

You do not have to install the software on your mobile device.

youdao

该字体放在一个单独的文件中，默认情况下，字体不用安装到用户的系统上。

This font comes in a single file; by default it is not installed on the user's system.

youdao

类似地，也可以不用安装开发环境而组合应用程序(如果愿意这么说的话)。

Similarly, you could compose applications (if you want to call them that) without ever installing a development environment.

youdao