petty sum wasting property

例句：

1. 1.The waiter gave the waitress a small tip as a gesture of appreciation.
   服务员给女服务员小费作为感激的表示。
2. 2. The company's decision to spend $50 million on marketing is questionable.
   公司决定花5000万美元做市场营销的决定值得商榷。
3. 3.The young couple decided to waste their money on a luxury vacation.
   年轻夫妇决定用他们的钱去奢侈地度假。