There are four key principles for all of us to seek to promote.

有四个关键点我们应该共同推动。

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The Schneider model is very simple. It says there are four key types of culture.

Schneider模型非常简单，它认为文化有四种类型。

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There are four key problems now confronting the iron and steel industry which must be solved.

当前，钢铁工业重点要解决四个问题。

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There are four key components to putting our budget on a sustainable path.

WHITEHOUSE: Moving Forward on a New Foundation

There are four key items on his convention to-do list.

CNN: Analysis: Four things McCain needs to accomplish this week

Although there are different options - either three seamers and a spinner or four seamers - I'm sure the key thing in the selectors' minds will be having the right bowling to take 20 wickets.

BBC: Hoggard in action for MCC