But no one was willing to stop the creation of CDOs, and the big investment banks happily kept on building more, drawing their correlation data from a period when real estate only went up.

• 而同一天，俞还写了一封致“中央科学院郭院长并转诸位首长和同志们”的信，要求其组织人员，调查研究后大力支持并倡导“鸡血疗法”。