词语以成本发生之经常与否为基础,以成本是否经常发生为基础
解释base of regularity of occurrence
base of regularity of occurrence〔名词〕以成本发生之经常与否为基础详细»
base of regularity of occurrence以成本发生之经常与否为基础,以成本是否经常发生为基础详细»