Richmond–Petersburg was a costly campaign for both sides.

Microsoft has led a long, costly and often frustrating campaign to gain an opening in the hand-held software world.

For three decades there are costly and continuous campaigns to suppress the local African rulers.

Authorities also launched investigations into the city's spending policies, including the costly tree-planting campaign.

This was a difficult and costly campaign for both sides.

It has been under Allied siege for three months, a costly campaign of dubious strategic value.

Quickly decided the favorite, Dovilla still faced strong opposition in a negative and costly campaign.

And what do these costly campaigns say about us?

It would require a sizable and costly campaign to make one name stand out.

Tension increased still further after a costly military campaign in Virginia in early 1864.