同学你好，该知识点来自沪江网校《大学水平直达CATTI三级(笔译+口译）【开学特惠班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学好
以下是一个母语者对well-off，rich，wealthy和prosperous之间区别的阐述
Rice and wealthy are basically the same, prosperous means to succeed, well-off means the person is set with a good background or rich.
Similarly a person who is wealthy is well-off
所以well-off是指人，rich是指状态
希望有所帮助