lǔ bīn / shì / yī wèi / zhù míng / de / jīng jì xué jiā / céng / dān rèn / měi guó / cái zhèng bù zhǎng鲁宾是一位著名的经济学家,曾担任美国财政部长。Rubin is a famous economist who served as the US Treasury Secretary.