12月四级英语800字篇10

Dear sir, Our company should buy some new machines instead of old them. for example computers and printers. As we all know , old things can not work as well as new things .and even they can make some problems .The old computers and printers have been used about five years .they always make some problems. Now our company have five computers and one printer should be changed and also three computers that belong to wokers should be changed. eight computers and one printer should cost about 50 thousand. Please approval it Sincerely yours.