As an individual or a small group they are taking on the system.

The system was based on similar systems in the past.

You can do this by looking at who is on the system.

I'd like to see how it looks on the black system.

Not one of them now had, or ever could have, any effects whatever on the human system.

Easy if there's only a few people on your system.

That money could be better spent on a new system, she said.

Efforts on a new system have been under way since 1986.

And you know what, I'm going to now turn that off on all the systems.

An old love song was running on the sound system.