Clearly, if I take a chalk like this one here, and I throw it on the ground, and it breaks in little pieces, if I run the movie backwards that doesn't make sense, right?

很清楚，如果我拿一支这样的粉笔，把它扔到地上，它会摔成碎片，如果我们把这个场景倒过来放映,那是没有意义的，对吧？

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Still, the tax breaks make the effort worthwhile.

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Mike Phillips is the favourite to start at scrum-half but Blair's ability to make darting breaks around the side of the breakdown will scare the Boks.

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This is because the tax breaks make it some 23% cheaper to make a movie in Britain than in America, according to Oxford Economics.

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