1. 癌癥迄今有無(wú)有效的治療方法？
   Is there a certain cure for cancer yet?
2. 迄今為止，我從未聽(tīng)說(shuō)過(guò)有人因生活費(fèi)過(guò)昂而不要生存下去的。
   So far I haven't heard of anybody who wants stop living on account of the cost.
3. 英國(guó)政府對(duì)這些報(bào)道迄今不予置評(píng)。
   Downing Street has so far refused to comment on these reports.
4. 科學(xué)家們正在作一項(xiàng)迄今為止沒(méi)人做過(guò)的實(shí)驗(yàn)。
   The scientist is doing experiments no one has so far attempted.

今的英語(yǔ)翻譯：