expediency GRE

The government is torn between principle and expediency.

政府在原则与权之间难于抉择。

It tends to be disposed of by adding moral coloration to actions that are really motivated by expediency, and an expediential coloration to actions that are motivated by moral and humanitarian values.

它倾向于增加道德色（色彩）来处置，是真正被权之所激发行动，而一个权之色（色彩）是由道德和人道主义价值所激发行动。