Question

If I give you a piece of cake,you might ask for a glass of m

Answer 1

a piece of cake到a glass of milk,是要求的越来越多了.

if I give you a piece of cake,如果我给你一块蛋糕

you might ask for a glass of milk 你可能还向我要一杯牛奶

前一句话提出一种让步的假设,后一句是让步了的后果,

如果我给你了一个好处,你就可能像我要取更多的好处,也就是“得寸进尺”