1. Please subtract $10 from my total bill.
请从我的账单中减去10美元。

2. Don't forget to subtract the shipping fees from the final cost.
不要忘记将运费从最终费用中减去。

3. I need to subtract the tax from the total amount owed.
我需要从应付总额中减去税款。

4. Can you subtract the discount from the original price for me?
你能帮我从原价中减去折扣吗？

5. Remember to subtract the cost of materials from the project budget.
记得将材料成本从项目预算中减去。

6. It's important to accurately subtract expenses from revenue to calculate profit.
准确地将费用从收入中减去以计算利润是很重要的。