急求一篇议论文。英文的1000字左右，望各位高手帮帮忙！谢谢！

Large companies need a way to reach the savings of the public at large.The same problem,on a smaller scale,faces practically every company trying to develop new products and create new jobs.There can be little prospect of raising the sort of sums needed from friends and people we know, and while banks may agree to provide short-term finance, they are generally unwilling to provide money on a permanent basis for long-term projects. So companies turn to public, inviting people to lend them money, or take a share in the business in exchange for a share in future profits. This they do by issuing stocks and shares in the business through The Stock Exchange. By doing so they can put into circulation the savings of individuals and institution, both at home and overseas.When the saver needs his money back,he does not have to go to the company wiht whom he originally placed it.Instead, he sells his shares through a stockbroker(证券经纪人)to some other saver who is seeking to invest his money.