| A | B |
| ample | enough; sufficient;having plenty or a lot |
| economy | a system for the production and distribution of resources in a city, area or country |
| economical | the careful management of money or resources |
| economic | related to management of money or resources |
| consumer | a person who buys and uses a product |
| buy up | to buy the entire available supply of a product o goods |
| decline | to decrease or to refuse politely to do or to accept something |
| ensure | to guarantee, to make certain that something will happen |
| fall off | to decline, to become less |
| globe | a round object that represents the earth or any object in the shape of a ball |
| global | international; referring to the entire earth |
| durable | able to last a long time; especially with hard use |
| duration | the period of time during which something lasts or takes place |
| interval | the duration of time between two events; the amount of space between two objects |
| convert (into) | to exchange for something of equal value, to change into a different form, to change to another religion |
| grim | serious, rigid; terrible or violent |
| overcome | to conquer; to defeat |
| pan out | to be successful (usually a plan or idea) |
| put off | to delay something until a later time |
| think over | to consider seriously |
| see to | to enure that something necessary is done; to take responsibility for something |
| rule out | to eliminate |
| respect | a particular aspect or detail of something; to show admiration or honor to a person or thing |
| with respect to | in reference to |
| take in | to understand; to include, to consist of |
| take up | to consider a subject at a meeting; to consume especially time or space; to make shorter |
| moderate | not excessive or extreme; to be in charge of a meeting or ceremony |
| reserve | to save for use in the future; or a particular person; land or money for a special purpose |
| reservation | an arrangement by which a ticket or hotel room can be used in the future |