Not since 1975 has there been such a time in Australian politics.從1975年以來(lái)在澳大利亞政治史上還沒(méi)有過(guò)這樣的時(shí)刻.Not since the Reagan years has a surgeon general been a household name.自里根時(shí)代后,還...謝謝你，但是那為什么把Not since the first decade of the twentieth century have so many people entered the US翻譯成自從二十世紀(jì)的頭十年以來(lái)，還沒(méi)有像現(xiàn)在一樣有這么多人涌進(jìn)美國(guó)Not since the first decade of the twentieth century have so many people entered the US自從二十世紀(jì)的頭十年以來(lái)，還沒(méi)有像現(xiàn)在一樣有這么多人涌進(jìn)美國(guó)。就是這個(gè)意思哦。樓主請(qǐng)?jiān)僮屑?xì)分析我的例句，就發(fā)現(xiàn)你的句子跟我的例句是一樣的句型，只是意思不同而已。