我們把有錢人稱為百萬富翁。百萬富翁變成了幾十億富翁。這確實是件大事,Millionaires have been changed to billionaires and that's really a big deal。 一個18歲的孩子進入了研究院,真了不起,"An 18-year old boy has got into graduate school, that's a big deal." 但是如果你哥哥要你開車送他上機場,答應(yīng)給你買杯咖啡。你可以用諷刺的口氣對他說:Big deal! 你可真大方呀!今天學(xué)的詞組是a big deal...