81.   The secrets, critics contend, have hampered historians and cost taxpayers billions of dollars.

82.   The Russians also are leaving behind a legacy of environmental devastation that will cost billions of dollars to repair.

83.   The system would cost billions of dollars and would violate a treaty on anti-ballistic missiles between Washington and Moscow.

84.   The war itself cost billions of dollars.

85.   The utility industry opposes the program, contending that it could cost billions of dollars while decreasing efficiency.

86.   The tunesmiths say Internet piracy is costing them billions.

87.   These states rely on Iraq for oil, and the sanctions have collectively cost them billions of dollars in trade.

88.   They estimate the on-line piracy is costing them billions of dollars annually in lost sales.

89.   They say that cleanups could cost billions of dollars, a price that could be reflected in electricity bills.

90.   They told us that national health care would cost us billions in taxes.