Any serious vision of a sustainable energy economy thus requires major commitments to both efficiency and renewables.

How long his vision would require to return to normal was a question best answered by waiting it out.

Surely a benign urban vision requires a distinction between a park and a parking lot.

Ms. Myers realized the institution's new vision required a major overhaul of its building.

As long as the vision of fixing the environment requires first creating a World Government, nothing useful will be done.

When she lifted the spread and looked under the bed, her superb vision required no flashlight.

Clark thought such a vision could probably require a lifetime of research and development in various fields of science and technology.

Their vision did not require the same amount of light to function as the star travel- ers'.

A similar future vision of a south-Asian economic community by 2025 will require free trade across the line of control.