But despite the fact that it's modest, if everyone in the US would give according to that scale, it would yield 500 billion dollars.

尽管每个人的捐款不多，如果在美国，每个人都根据这个标准表捐款，那将会是5000亿美元。

普林斯顿公开课 - 人性课程节选

Just by comparison, official US government aid for developing countries, is currently 16 billion dollars.

相比之下，美国政府,对发展中国家的官方资助是160亿美元。

普林斯顿公开课 - 人性课程节选