Is a public bike a substitute for buying your own?
"Escape from Tomorrow," however, is clearly no substitute for buying a ticket.
Professor Liebowitz has proposed that people use radio listening as a substitute for buying music.
After all, this is not a substitute for buying locally, but a means to bringing these increasingly rare animals back into the marketplace.
Drink skim milk or fat-free milk substitutes, and buy low-fat cheese or dairy products.
Farrell: They were simply substituting their buying strength for someone else's buying.
Unfortunately, many investors embraced income-investment products, including bond mutual funds, as equal substitutes for buying and holding bonds.
The healthier substitutes included buying whole wheat instead of white bread, fruit canned in juice rather than syrup, low-fat versions of all dairy and leaner cuts of meat and poultry while fruits, vegetables and eggs remained constant.
A substitute is to buy a new hardcover book: "Private Lessons: A Bridge Education".
Rolls-Royce said it would buy substitute parts from an Austrian company, Fischer Advanced Composite Components, at a 25percentt savings.
