Difficult compromises are often necessary, specialists say.
And foreign workers are often necessary for that.
So anonymous sources are often necessary, no matter what scholarship may require.
For halls unaccustomed to presenting major classical events, adjustments are often necessary.
In modern services, school grades or a university degree are often necessary.
The explanatory labels that are so commonly part of illustrational exhibitions are often necessary to make the point.
We offered a reader prize, for, in this materialistic age, inducements are often necessary to spark debate.
Colorants are often necessary to produce a uniform product from raw materials that vary in colour intensity.
Most patients achieve a temporary result, however, and additional treatments are often necessary to maintain the keloid's diminished state.
Further expenditures in the form of increased security measures are often necessary to protect the personal information of customers.
He knew that studies had shown very high doses are often necessary to produce a state of complete indifference to alcohol.
