"was merciful only when mercy was expedient"
"in the circumstances it was expedient to express loyalty"
These, if not necessary to the existence of vegetables, may be expedient to their flourishing state.
出自： T. Beddoes
The most expedient settlements for a trading country.
出自： W. Taylor
To use our new materials..in ways that were not only expedient but beautiful.
出自： F. L. Wright