cart balance

例句：

1. 2.
   在购物时
2. 3.
   在商业中
3. 1.The cart was balanced perfectly on the scales.
   秤上马车平衡得恰到好处。
4. 2. She had to balance her workload with her personal life.
   她必须平衡工作和个人生活。
5. 3.The manager made a careful balance between risk and reward.
   经理在风险和回报之间做出了仔细的权衡。