與此同時(shí),美國(guó)現(xiàn)任總統(tǒng)奧巴馬四月份宣布參選連任后, "Obama's advisers have been working to re-energize the grassroots campaign that propelled him to the presidency in 2008," 奧巴馬的顧問們正在努力為深入基層的競(jìng)選方式重新注入活力,2008年奧巴馬當(dāng)選時(shí),這種模式曾發(fā)揮了巨大作用。好的,今天我們學(xué)習(xí)的詞是 grassroots...