a.

1. 經濟上的；經濟學的[Z][B]
   They bought an old house for economic reasons.

   出於經濟上的原因他們買了一所舊房子。

2. 合算的，有利可圖的

adj.

1. relating to economics or the economy.
2. justified in terms of profitability.
   ▸sparing in the use of resources or money.