It is also possible that a unitary system would replace one set of problems with another.

The new system replaced affirmative action after a federal court ruled it illegal.

In no way do these systems replace common sense.

The proposed system could replace the need for individual exchanges.

Direct cut - The new system replaces the old at an appointed time.

The new national system will not replace those now in use.

This system replaced a dangerous race back to the start-finish line.

"The new systems just replace film with an electronic detector."

However, they were used for only a short period of time before computerized systems replaced them in the 1960s.

The system replaced the previous method of using two cameras.