Sustainable development is key to sustaining peace and vice versa.
"Consumer spending is sustainable without additional tax cuts and that is key to sustaining economic growth," said John Silvia, chief economist at the Wachovia Corporation in Charlotte, N.C.
But ecosystem rehabilitation is a crucial complement, and key to sustaining livelihoods.
Most people would agree that raising productivity is key to sustaining long-term economic growth.
Satisfied customers and motivated employees are key to sustaining revenue growth and, ultimately, shareholder value.
And that comfortable fit is key to sustaining an exercise program.
The key to sustaining the momentum of the Arab Spring is still in Egypt and Saudi Arabia.
In the United States, social entrepreneurs have flocked to education, which they say is the key to sustaining American competitiveness.
"The key to sustaining strong economic growth is going to be job growth," he said, "and that is why the jobs report this week is so important".
The collective filching undermines Iraq's ability to provide essential services, a key to sustaining recent security gains, according to American military commanders.
Crawford, who is from Houston, said the key to sustaining his early interest in baseball was playing in predominately black youth leagues from ages 9 to 14.
