And so I decided to have a progressive scale that increases according to what you earn like the tax scale.

所以，我决定制定一个累进的捐款标准表,捐款的数量随着收入的增加而增加,就像税率表一样，这个标准表从收入的1%起步。

普林斯顿公开课 - 人性课程节选

And I suggest a scale that people might use in order to decide how much is enough.

我也建议了一种捐款标准表,来帮助人们决定捐多少钱比较合适。

普林斯顿公开课 - 人性课程节选