你好.我现在在忙着.如果你不急,我晚上把翻译给你,你看行吗?
Since its invention,the computer has been playingsuch an increasingly important role that it has been indispensible in people's life.
It is undoubtedly true that the computer has brough t us so much convenience and pleasure, not only enabling us to work out great numbers of tedious problems concerning categories ,memories and calculations, but also helping -- - - - - - .