Only two years ago digital projection was used for just 15 per cent of the world's cinema screens. The swiftness of the cinematic digital revolution can be traced directly to the success of a single film – "Avatar" in 2009.

就在两年前，世界上只有15%的电影院使用数字放映。电影数字化的转折点就是2009年的大热电影——《阿凡达》。

James Cameron's science fiction epic became the highest grossing movie of all time, taking $2.8 billion (£1.8 billion) at the box office. It sparked a boom in 3D films and put pressure on cinemas to upgrade to digital projection.

詹姆斯·卡梅隆的史诗级科幻巨作《阿凡达》成为历史上的大卖电影，票房总额高达28亿美元（约18亿欧元）。《阿凡达》引发了3D电影的热潮，并迫使电影院的放映技术升级至数字放映技术。

As a result demand for 35mm cinema film is expected to decline from 13 billion feet a year in 2008 to just four billion in 2017. Another factor in its demise is the high price of silver, which is needed to make the rolls of film.

于是，35mm胶片电影的胶片的需求将从2008年的13亿英尺，预计降到2017年的4亿英尺。而用于制作电影胶卷的银的价格居高不下，也是导致胶片电影没落的另一因素。

A single celluloid print of a movie can cost more than £1,500. A big release can see millions of dollars spent on prints to distribute to cinemas.

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