It has a lens system to focus light onto the film at the back of the camera.

它的镜片系统可以将光线聚焦到相机后部的胶片上。

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Some of this happens in Paris, much of it happens in his country house, and the focus is not on film production but on family.

有一些在巴黎发生，大部份在他乡郊屋子里发生。 但是焦点不是放在电影制作上，而是家庭。

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Take Pearl Harbor, for example. True, there was lots of action, but the silly love triangle between Ben Affleck, Josh Harnett and Kate Beckinsale distracted from the focus of the film.

以《珍珠港》为例，片中确实有很多动作的场面，但是主演(本·阿弗莱克，乔什·哈奈特以及凯特·贝金赛尔)之间那欲语还休的三角恋情使得故事情节与影片主题脱节。

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The narrative focus of the film is the killing of David Kammerer in 1944, an English teacher who was on the fringes of the group.

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You can almost argue that the focus of the film isn't on kung fu, but more on how it's a medium to teach people lessons that they'll never forget like in school.

CNN: Interview with Gordon Liu

Lets focus on the film people.

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