We cannot guarantee that every bus will have a guide and so we also have an audio commentary that has been specially recorded for the bus tour by the tourist office.

我们不能保证每辆巴士上都有导游，所以我们也准备了一个音频解说，这是由旅游局专门为巴士之旅录制的。

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It is a bit like a photograph album with audio commentary.

它就像一本带着声音解说的相册。

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Audio Commentary with Director, Producer, Co-Producer and Tobey Maguire.

导演，制片，联合制片和托贝·马奎尔评论音轨。

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With Michael Moore narrating almost every moment of the film, an audio commentary was never going to be very likely.

BBC: NEWS | Entertainment | DVD review: Fahrenheit 9/11

The action-packed Blu-ray Disc and DVD are filled with kick-ass bonus features including behind-the-scenes featurettes along with audio commentary with the director, a gag reel and deleted scenes.

ENGADGET: The Expendables 2 Blu-ray ships November 20th and is the first one with 11.1 channel DTS Neo:X audio

Sound Trail users are able to navigate a map of the cemetery, in Church Row, and click on individual gravestones for an audio commentary about the lives of the people buried beneath the headstones.

BBC: Sound trail traces Hampstead graveyard's buried