Advertising is part of our life in our world of competition,It is import
Advertising is part of our life in our world of competition,It is important for both seller and buyer.Even the government cannot do without it .More than $400 billion has been spent worldwide on advertising this year. 
 Advertising is necessary to all business,Without making buyers know about the products how are products going to ger to the buyers?Advertising draws attention to the product or servive through television,radio,billboards,flyers,boards,newpapers or magazines.Bikes,buses and rains are also used to carry advertisements.Where there are people advertising can be found.People don't have to travel far to see an advertisement.Advertising lets people know new products.For example,people come to know about useful new medicines,new computers,cell phones and etc.People often learn about new tools and machines for industry.Advertising tells people different brands of the same product.It tells about which brand is btter.
It is through advertisements that we come to come to know of new jobs.People who see the advertisement and think they are able to do the work may come to the company and then might get that job,Advertisement is a good way to educate people and to help students choose colleges or universities that they like.Schools,colleges and universites advertise their classes,courses,and fees and attract students.Government can advertise its plans.It can tell people what good things it might do for the nation.
why is advertising necessary to all business?
1、why is advertising necessary to all business?
2、what can we learn from the passage?
3、what's the best title for the passage?