广告的重要性用英文回答五六句就行，急！在线等

=========================
Importance of Advertising
=========================
Worldwide advertising is an important contributor to economic growth, individual marketing organizations differ on the role advertising plays.

For some organizations little advertising may be done, instead promotional money is spent on other promotion options such a personal selling through a sales team.

For some smaller companies advertising may consist of occasional advertisement and on a very small scale, such as placing small ads in the classified section of a local newspaper.

But most organizations, large and small, that rely on marketing to create customer interest are engaged in consistent use of advertising to help meet marketing objectives. This includes regularly developing advertising campaigns, which involve a series of decisions for planning, creating, delivering and evaluating an advertising effort.

Advertising is a form of communic