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Is the following paragraph acceptable? Please check it for me. Thanks!

Actually, a magazine which is scheduled to be issued this month had already been done two or three months ahead. If there is breaking news that is urgent to make the readers know about it, the editorial staff will use the latest event instead of one of the previous articles. And, so do the CD-ROMs. It takes tremendous collective efforts and costs a big amount to finish publishing a magazine or making a CD-ROM.
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I have underlined some problem areas:

Actually, a magazine which is scheduled to be issued this month had already been done two or three months ahead. If there is breaking news that is urgent to make the readers know about it, the editorial staff will use the latest event instead of one of the previous articles. And, so do the CD-ROMs. It takes tremendous collective efforts and costs a big amount to finish publishing a magazine or making a CD-ROM.
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Actually, a magazine which is scheduled to be issued this month has already been finished two or three months ahead. If there is a piece of breaking news that is prior to have the readers learn about it, the editorial staff will choose the latest event instead of one of the former articles. And, so do CD-ROMs. It takes tremendous collective effort and costs a large sum of money to complete issuing a magazine or making a CD-ROM.
Actually, a magazine which is scheduled to be issued this month has already been finished two or three months ahead. If there is a piece of breaking news, the editorial staff will choose this latest event instead of one of the planned articles. And, so do CD-ROMs. It takes tremendous collective effort and is very expensive to issue a magazine or make a CD-ROM.