Definition of "counterargument"

One argument is that "the virus has changed everything" and that people will work from home and travel much less, easing capacity pressures.But there is a counter argument whereby we may all discover that, longer-term, many jobs cannot after all be effectively carried out from home indefinitely.

2020 May 20, David Thrower, Ian Wray, “Revisiting the plan for developing the North's rail network”, in Rail, page 40