unforeseeable expenses

And that may in the end prove inadequate for any unforeseeable expenses.

And unforeseeable expenses crop up, like the savings and loan bailout.

The 'Phantom Army' Democrats on the board, meanwhile, were uncertain if they would seek further reductions in unfilled county government jobs, the so-called "phantom army" that county administrations, both Democratic and Republican, have maintained as a means of accumulating a surplus for unforeseeable expenses.