"My wife has been an essential reason for any of my possible successes."

These molds are the essential reason behind its traditional, characteristic shape.

Of course, that had been the essential reason, but she hadn't realized it herself until that moment.

The essential reason we're blamed is the very nature of the security relationship.

One essential reason for a gas-powered plant bigger than the reactor is technical.

In my opinion, we should focus on the essential reasons why we are here.

No essential reason provided for in the Rules is given for this.

This is the essential reason why I am abstaining from the final resolution.

In this last decision two essential reasons had a huge weight.

Sometimes the essential reason for storing useless items boils down to convenience.