The US government made no formal acknowledgement. 美國政府沒(méi)有正式承認。
Short of a formal concession, however, Clinton has signaled that she is aware of Obama's status as presumptive presidential nominee. 雖然還沒(méi)有正式承認失敗,不過(guò),克林頓已經(jīng)表示,她知道奧巴馬已經(jīng)是預料中的總統提名人。