The educational system is in transition. ✬

Neptune is the eighth planet of the solar system. ✬

The company has purchased a new computer system. ✬

The system is working very well now. ✬

This heating system burns oil. ✬

This system has obvious defects. ✬

We have a good heating system. ✬

The ancient Greeks knew as much about the solar system as we do. ✬

The majority of big banks are introducing this system. ✬

They changed the system. ✬