Here the sellingexpense is chosen as decision variance.
销售费用被作为决策变量。
2
In the selling expenses control, the travel expense how to limit and so on.
销售费用控制中，差旅费如何界定等。
3
Partly, she has been busy, selling their old house, moving into a new one they are renting at half the monthly expense, seeing her daughter off to kindergarten.