rounding

舍入,凑整

A rounding up and driving of cattle to new pastures or to market.

驱赶牛群圈集并驱赶牛群到新的牧场或市场

The bill should have been$29.54 so I round it up to$30.

账单本来应该是92。54美元，我凑个整数把它调高到了30美元。