那我就来科普一下了，SDR货币篮子里头原来有，美元、欧元、英镑、日元这四种货币。它是在二战后的布雷顿森林体系出现危机后应运而生的新的货币体系。
nà wǒ jiù lái kēpǔ yīxià le ，SDR huòbì lánzi lǐtóu yuánlái yǒu ，měiyuán 、Ōuyuán 、yīngbàng 、rìyuán zhè sì zhǒng huòbì 。tā shì zài èrzhàn hòu de bùléidùnsēnlín tǐxì chūxiàn wēijī hòu yīngyùnérshēng de xīn de huòbì tǐxì 。
OK, I'll give you a lesson in popular economics. The SDR currencies basket originally included four currencies, the US dollar, the Euro, the British Pound and the yen. It was a new currency system that took root in the wake of the crisis in the Bretton Woods system after World War II.