New jobs often require experience which is hard to come by.

This requires experience as it is a difficult skill to learn.

"I am senior surgeon here and a case like this requires experience."

Certain character classes require less experience than others to achieve a new level.

Establishing the best way to deal with these issues will require practical experience.

The interpretation of the results requires considerable experience and training.

The 10-mile trip (one way) requires experience and a high fitness level.

Thus, people have to learn to interpret what they are hearing, a process that requires time, experience and sometimes speech training.

Again these require knowledge and experience of computer systems.

The practice is much harder - requiring skill and experience.