Don't try to describe what the software change will specifically do, just leave it at something like, "Changing this software will result in an increased expense for sales."

不要尝试描述该软件变更会明确地做什么，只需使用类似如下的说明：“更改此软件将导致销售开支上升。”

youdao

That increased expense will boost the price of energy.

FORBES: The BP Oil Spill: Unexpected Consequences

Common causes of slipping margins include increased product costs, increased shipping expense, finance costs, sales and discounting or inventory shrinkage due to theft or waste (food business).

FORBES: There Is Nothing Gross About Profit

As a result, John Dark, who farms at Mullion, has to undertake a 25-mile trip to market in Truro, meaning extra expense and increased concerns about animal welfare.

BBC: Livestock markets in decline