It is said that the concept of music directors duo started with them.

Locke's concept of man started with the belief in creation.

At the same time, the whole concept of cities started to change.

His concept of a roadable started with sketches in 1927.

No one can make sure when the concept of Taiwanization has started.

Still, the concept of pension matching may be starting to gain currency.

The concept of having a theme for the fest started in 2010.

And psychologically they have made the concept of another Palestinian state acceptable before talks even start.

After the war, the semi-automatic concept started to gain currency in the Army.

Meanwhile the concept of Wisdom was starting to take shape.