21.   The problem is, no one is certain what natural gas will ultimately cost to deliver.

22.   Their increased standing alone would cost the club next year, and it is difficult to measure the long-term financial impact.

23.   Three years later, the Russian Duma has yet to ratify the treaty, which some Russians believe would cost the country money while reducing its security.

24.   To deploy them widely, government officials say, would cost billions of dollars and could add hours to the time needed to screen baggage.

25.   Truth be told, Penn State coach Joe Paterno is not all that disappointed, despite the votes it will cost his team this week.

26.   While a South American ski vacation will cost more than one to Colorado, for example, frequent-flier miles can really lower the costs.

27.   Bradley promises to keep the benefits while paying doctors more, but experts say that will cost more than he thinks.

28.   Details about how the service will work and how much it will cost have not been announced.

29.   U.S. trade unions could use the perception that Cambodian workers are exploited or abused to lobby against trade privileges they feel would cost American jobs, Cham Prasidh said.

30.   Western Digital officials said it was unclear how much the recall would cost or how many of the affected hard drives actually landed in consumer hands.