Created by the IMF in 1969, and now based on the weighted average of the dollar, euro, yen and pound, the SDR was designed as a reserve currency but never took off.

• 特别提款权于1969年由国际货币基金组织所创造，现在以美元、欧元、日元和英镑的加权平均值为基础，其目的是作为一种储备货币，但从未被采用过。