在英文里"line""线"有哪些意思?

题目

在英文里"line""线"有哪些意思?
If we lived in China,
On the basis of what you know about my money
And your money,
What sum of money you would think be proper on that "line" in our budget.
如果我们生活在中国,
在此基础上,你知道我的钱
和你的钱,
什么一笔钱,你会觉得在我们的预算中,“线”是恰当的.

答案

应该是指预算的底线.