导演们需要不受一些念头的影响，比如想赶紧把镜头从一个细节转到另一个细节以免使观众觉得无聊，或者认为取景只是为了戏剧效果，抑或是因为担心太安静而要添加音乐。

Filmmakers need to resist the impulse to move the camera quickly from detail to detail for fear of boring the viewer, to frame the image for the sake of drama alone, to add music for fear of silence.

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在PowerPoint 2007中添加音乐、声音和叙述。

Add Music, Sounds or Narration to PowerPoint presentations.

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有了MusicBeta后用户再也不需要插线来添加音乐了，因为它使用了云。

With MusicBeta users will never have to use a cable to add music again, since it uses the cloud.

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So because so much popular music and particularly rock music has those chords in root position we can track them more readily.

因为很多流行音乐尤其是摇滚乐会在原位上添加这样的和弦,这样听起来会比较悦耳。

耶鲁公开课 - 聆听音乐课程节选