Short Form (40 minutes) omits some preparatory poses and commentary for a more fluid, continuous practice.

短格式（40分钟）省略了一些准备动作和说明， 练习更加流畅连贯。

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While enduring an epic flight delay at a New York City airport yesterday, I read a short commentary by the Pulitzer-prize winning author Anna Quindlen about the benefits of backup power generators.

FORBES: Backup Generators Are the Bad and Ugly of Decentralized Energy

Cleverly, these short sequences have no commentary, but are aimed at amplifying the mood.

BBC: A theatrical journey into Canada��s Charlevoix

In the case of Project B, Assange wanted to edit the raw footage into a short film as a vehicle for commentary.

NEWYORKER: No Secrets