Looking ahead to the rest of the fiscal year, we still face challenging economic conditions. We must continue to be vigilant about maintaining a cost structure that is in line with our reduced revenues. This is from a company newsletter. I have difficulty in understanding the underlined part. I know what "in line with" means but I'm not sure if the underlined part makes sense. I think the cost structure is what should be changed, not maintained. Could you explain what the part means?