"The most basic source of upward pressure on interest rates is the market itself."

It is basic source of all powers we use in daily lives.

Some scholars think that all three belong to the same basic source, or at the very least two sources.

For a long time, wood has been a basic source of energy.

My teachers always said if you want to understand a subject, study the basic source.

The first being that it is a basic source of social "structuration."

To understand why, we need first to examine the basic sources of imagery.

Beer even forms a basic source of nutrition in certain countries.

The basic source of all surface water on our planet is precipitation.

The basic source of the heat is chemical energy from the body's metabolism.