The main challenge of the conditional access system is normally to prevent commercial piracy.

一般来讲，条件接入系统的主要问题在于防止处于商业目的的盗用。

youdao

The main challenge of the conditional access system is normally to prevent commercial piracy.

一般来讲，条件接入系统的主要问题在于防止处于商业目的的盗用。

youdao