His behavior was thought to be an anomaly.

His behavior is completely abnormal.

Normalization of the database is important to avoid duplication of data.

We developed a new algorithm to normalize the data.

He is an expert in systems engineering.

Our school has introduced a new PA system.

The filesystem of my computer has broken down.

Please be careful when crossing the road.

Please be careful of cars when crossing the road.

His way of speaking is affected, lacking in naturalness.