"We're usually working at the margin, but this was much more than a marginal change."

That is to say, policy changes more frequently take the form of relatively marginal changes to existing policies.

They imagine if they make subtle and marginal changes in tax rates everyone will notice.

This new director of national intelligence would be able to make only marginal changes to agency budgets and interactions.

Stocks were mixed, as almost all market indicators showed only marginal changes.

The story of marginal change is not dissimilar in the health service.

A Float causes marginal changes in the money supply.

Can't we engineer a marginal change in the Earth's alignment?

"There can only be marginal changes within the existing political-economic structure."

"In general, the agreement is a marginal change from pre-existing conditions."