But it still allows schools the option to concentrate heavily on literary works.

To lead or sustain with innovations, managers need to concentrate heavily on the innovation network, which requires deep understanding of the complexity of innovation.

This discouraged many sheriffs from concentrating heavily on law enforcement.

Concentrating heavily on vocal harmonies, they quickly put a show together and began booking themselves in local bars and restaurants.

The book concentrates heavily on where he eats and the people he eats with and the unusual flavours he tastes on the road.