That is because global investors seeking a safe haven automatically turn to US Treasury securities in times of global financial turmoil. Foreign investors now hold more than $5.7 trillion of these low-yielding securities, not to mention large quantities of other dollar assets.
这是因为那些在全球金融动荡时期寻求避险天堂的投资者们自动转向了美国国债。外国投资者目前持有约值5.7万亿美元的这类低息债券，更别提大量的其他美元资产。而美元占全球外汇储备的份额也在危机爆发以来保持稳定。