12 exchange rate n. the rate at which one currency can be exchanged for another
13 foreign exchange n: the currency of other countries
14 hard currency n. currency that will probably not fall in value and is readily accepted
15 invest v. to put money for profit into business, land etc - investment n.
16 legal tender n: currency that cannot legally be refused in payment of a debt
17 petty cashUK n. a cash fund for small, everyday expenses
18 soft currency n. currency that will probably fall in value and is not readily accepted
19 speculate v. (risky) buying of foreign currency, land etc for rapid gain - speculation n.
20 transaction n. a (usually commercial) exchange; a deal - to transact v.