Civic activity, a potential substitute for spending, has declined.
And he already has his eyes on one potential substitute.
Most e-cigs do contain nicotine, however, which makes them a potential substitute for cigarettes.
Customers might behave differently if the price or performance of potential substitute products changes.
There is certainly nothing today that will be seen as a potential substitute for the monetary tightening that is coming.
The full-employment economy, where potential substitute teachers might make better money flipping burgers, is not helping.
But no potential substitute would easily defeat Mr Capriles, polls suggest.
In operations requiring 1.5 to 1.8 volts, these batteries are a potential substitute for some zinc silver oxide batteries.
It has also been mentioned regularly as a potential substitute home during the long-delayed renovation of Avery Fisher Hall.
He said he called a Goodyear warehouse at 1 p.m. and was told it had 5,000 Wrangler RTS tires, a potential substitute, in stock.
There is good reason to believe that K.S.M. wanted money sent to Moussaoui to prepare him as a potential substitute pilot in the event Jarrah dropped out.
