profitable basis; paying basis
Used in business contexts to describe whether an activity, project, or price covers costs and yields profit. Often appears in phrases like 採算ベースに乗る (become profitable) or 採算ベースで考える (think in terms of profitability).
This new business is not yet on a profitable basis.
We need to review the pricing on a paying basis.
Compound of 採算 (profitability) and ベース (basis, from English 'base').