【難句】The console can determine how the controller is moving in space and what it is pointing at, and uses that information to control what is happening on screen.

　　【結構分析】以逗號后and為切入點，得到主句部分的并列平行結構The console can determine , and uses that information to control ，uses與can determine一起作該句的謂語。其中determine的賓語也以and切入，得到how引導的名詞性從句how the controller is moving in space和what引導的名詞性從句what it is pointing at;在use的賓語補足語to control 中，control的賓語使用了what引導的名詞性從句what is happening on screen充當，what在從句中作主語。

　　【參考譯文】游戲機能測出手柄的移動軌跡，識別手柄指著屏幕上的什么東西，然后根據得到的信息控制屏幕上的游戲。

　　【難句】If left unchanged, it appears that the time to cash in on digital sales via services like iTunes is starting to evaporate, especially if the music is set to start leaking into the public domain in the country where it was originally produced.

　　【結構分析】本句主干為主系表結構，注意appear在這里是系動詞用法。表語部分由that引導的名詞性從句that the time is starting to evaporate 充當，不定式短語to cash in on digital sales via services like iTunes 作后置定語修飾the time。especially直到句末是條件狀語從句，使用了被動語態 if the music is set to 句末關系副詞where引導的定語從句where it was originally produced修飾先行詞the country，關系副詞在從句中作狀語，相當于in which。句首部分If left unchanged，我們可以理解為是分詞結構作的條件狀語，注意這里使用了leave sth.+adj。用法。

　　【參考譯文】如果不改變，則通過諸如iTunes利用數字銷售賺錢的時代可能開始消亡了，尤其是當音樂在其最初發表的國家已經進入公共領域時。

　　【難句】The console can determine how the controller is moving in space and what it is pointing at, and uses that information to control what is happening on screen.

　　【結構分析】以逗號后and為切入點，得到主句部分的并列平行結構The console can determine , and uses that information to control ，uses與can determine一起作該句的謂語。其中determine的賓語也以and切入，得到how引導的名詞性從句how the controller is moving in space和what引導的名詞性從句what it is pointing at;在use的賓語補足語to control 中，control的賓語使用了what引導的名詞性從句what is happening on screen充當，what在從句中作主語。

　　【參考譯文】游戲機能測出手柄的移動軌跡，識別手柄指著屏幕上的什么東西，然后根據得到的信息控制屏幕上的游戲。

　　【難句】If left unchanged, it appears that the time to cash in on digital sales via services like iTunes is starting to evaporate, especially if the music is set to start leaking into the public domain in the country where it was originally produced.

　　【結構分析】本句主干為主系表結構，注意appear在這里是系動詞用法。表語部分由that引導的名詞性從句that the time is starting to evaporate 充當，不定式短語to cash in on digital sales via services like iTunes 作后置定語修飾the time。especially直到句末是條件狀語從句，使用了被動語態 if the music is set to 句末關系副詞where引導的定語從句where it was originally produced修飾先行詞the country，關系副詞在從句中作狀語，相當于in which。句首部分If left unchanged，我們可以理解為是分詞結構作的條件狀語，注意這里使用了leave sth.+adj。用法。

　　【參考譯文】如果不改變，則通過諸如iTunes利用數字銷售賺錢的時代可能開始消亡了，尤其是當音樂在其最初發表的國家已經進入公共領域時。