In Europe it took a little longer, mainly because there were more small producers for whom the costs of sound were prohibitive, and in other parts of the world problems with rights or access to equipment delayed the shift to sound production for a few more years. (though cinemas in major cities may have been wired in order to play foreign sound films) (TPO12, 63)

　　prohibitive /prə'hɪbətɪv/ adj. (指價格等)高得買不起的;禁止性的

　　我是分界線，大家先自己一遍速讀哦。

　　(In Europe) it took a little longer,(mainly because there were more small producers) (for whom the costs of sound were prohibitive),and ( in other parts of the world) problems (with rights or access to equipment) delayed the shift to sound production (for a few more years) ( though cinemas in major cities may have been wired in order to play foreign sound films). (TPO12, 63)

　　托福閱讀長難句100句分析：

　　本句的主干就是一個并列結構：it took a little longer and problems delayed the shift to sound production

　　修飾一：(In Europe)，介詞短語

　　修飾二：(mainly because there were more small producers)，從句

　　中文：主要是因為有更多小的制造商

　　修飾三：(for whom the costs of sound were prohibitive)，從句，修飾produces

　　中文：對于他們來說轉換聲音的成本巨大

　　修飾四：(with rights or access to equipment)，介詞短語，修飾problems

　　中文：專利權以及設備的問題

　　修飾五：(for a few more years)，介詞短語

　　修飾劉：(though cinemas in major cities may have been wired in order to play foreign sound films)，括號，解釋說明

　　中文：雖然在很多大城市的影院為了播放國外有聲電影已經(jīng)用線裝好了設備

　　托福閱讀長難句100句參考翻譯：

　　歐洲花得時間要長一些，主要是因為有更多小的制造商，對于他們來說轉換聲音的成本巨大。在世界其它部分，專利權以及設備的問題延遲了向聲音產(chǎn)業(yè)轉變很多年。(雖然在很多大城市的影院為了播放國外有聲電影已經(jīng)用線裝好了設備)

　　這個句子的主要修飾成分就是從句、介詞短語，大家務必想清楚，每一個修飾成分修飾的是什么，才能看清楚這個句子的結構。