The effort required to think that one word was enormous.

These efforts require long hours and a lot of money.

The effort would require Congressional approval of $1 million a year for at least two years, he said.

The effort required to say that took half his strength away with it.

That effort will require 480,000 tons of food every month.

Such efforts can get expensive and require a great deal of maintenance.

In 2000, the city's welfare-to-work effort required her to return to work.

In this way, similar subsequent efforts will require less work and are more likely to be successful.

A serious effort to remove the homeless requires social services and housing.

But the larger the effort required of the god, the greater the sacrifice had to be.