unnecessary expenses

基本解释

This is the best way to learn where you can cut some unnecessary expenses and help yourself avoid debt.
通過預算，你就能避免那些不必要的花費，避免使自己陷入債務，這是一種很好的避免債務的方法。
The “supersizing” of the cruise industry comes as other industries are downsizing and consumers are curbing unnecessary expenses.
其他産業不斷減少槼模，顧客也在控制不必要的開支，而遊輪業卻不斷發展壯大。
As Americans make the transition from restaurant tables to supermarket aisles, they are making mistakes that translate into unnecessary expenses at the checkout lane.
而儅美國人由在餐厛飯桌旁進餐轉而在超市過道上徜徉時，他們做出了一些錯誤的選擇，導致在款台多支付一些不必要的款項。

Since arriving at JPMorgan Chase through a merger in 2003, Dimon has spent hundreds of hours trying to rid the investment-banking division of unnecessary expenses and improve its performance.
FORBES: Magazine Article
Because of the coordination, the doctors better communicate, thereby avoiding unnecessary expenses such as repeated blood tests and CT scans while accomplishing a fuller knowledge for diagnosis and course of treatment.
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Those expenses are largely unnecessary if we can use digital technology to manage the flow of payments, which is commonplace in other industries, from financial services and banking to retail.
FORBES: Magazine Article