She's not sure, but maybe she has just used up a second wish, because, glancing over her shoulder, she sees the backside of the old bag lady, toddling away around a corner.

她也不太确定，可能是她用了第二个愿望。因为她朝旁边一看，看到了拾荒女人的背影，在一个拐弯儿附近步履蹒跚地走着。