direct variable cost造句

"direct variable cost"是什么意思

造句与例句手机版

Two models were constructed : a base case model ( A ) in which we estimated the total cost savings of intervention effects and a conservative model ( B ) in which we only included the direct variable cost component for the final day of length of stay and treatment of pressure ulcers.
It's difficult to see direct variable cost in a sentence. 用direct variable cost造句挺难的

相邻词汇

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