up to

up to是一种英语表达方式，它的意思是“直到/最多/不超过”。比如说：You can stay up to two days. 你可以待两天；We are offering up to 30% off. 我们正在推出最高30%的折扣；The flight is up to 4 hours. 这段航班最多4小时；The cost is up to $100. 成本最高可达100美元。up...