关于广告(on advertisements)
     advertisements are getting their way into people‘s lives. people depend on advertisers in their daily lives because they are consumers. the advertisers are always manufacturers. sometimes they are salesmen. their merchandise needs advertising. thus nearly every product is advertised. to some extent, good advertising means success while bad advertising can means failure.
     there are many ways to advertise and ‘ads‘ come in different forms. newspaper carry advertisements. some products are announced on tv and radio which have a wide audience. billboards also carry advertising. advertising is a big industry now and many agencies are set up to furnish a variety of services for it.