留学花费的英文表达可以根据不同的语境和需要详细程度有所不同，但大致可以分为以下几种情况：

总费用

"Total cost of study abroad"

"Total expenses for overseas study"

学费

"Tuition fees for international students"

"Tuition fee" 或 "education fee"

生活费

"Living expenses"

"Cost of living"

"Accommodation, food, and transportation"

具体费用

"Annual tuition fees"

"Cost of attendance"

"Scholarship" （如果有奖学金）

结合以上信息，如果你要表达“留学花多少万”的意思，可以根据具体情况选择合适的表达方式。例如：

"How much does it cost to study abroad for one year？"

"What is the total expense for a year of study abroad？"

"Can you tell me the breakdown of the costs for studying in the UK？"

这些表达方式可以帮助你更准确地描述留学所需的总费用及相关细节。