1.  Finally, writer realised she would not trade places with the beautiful lady for anything.

2.  Only if everyone does what they are best at and then trade and exchange, a win-win situation could then be formed.

3.  They strongly believe that such contest is just a waste of time and money, for many candidates give up their work just for the competition and the voting process has completely become a credits trading process.

4.  A rational person considers about the "trade-offs" when making a decision.

5.  "I would trade all of my technology for an afternoon with Socrates. "

6.  A geologist can help identify the source and age of the materials used\

7.  This geography advantage contributed to the prosperity of sailing and trading in ancient Greece.

8.  And in the early years of the last century, millions of koala furs were traded to Europe and the United States, truly decimations for koalas, from which the population has not fully recovered even today.

9.  4) Market power exists when one buyer or seller in a market has the ability to exert significant influence over the quantity of goods or services traded, or the price at which they are traded.

10.  And then information asymmetries which mean the seller and the buyer do not share the same amount of information about the product or service during trading may be another common situation in the free market.