Among the key factors behind this growth were increased agricultural productivity and an expansion of trade.

这种增长背后的关键因素是农业生产率的提高和贸易的扩大。

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The other key variable, which was equally easy to quantify, was developer productivity.

其它的关键变量是开发人员生产力，这也很容易量化。

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Composing functions in complex ways is the key to productivity in functional languages because you're continually raising your level of abstraction.

用复杂的方式组合函数，是函数性语言生产力的关键，这是因为这可不断提高抽象的层次。

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Leidal spent time in the manufacturing industry which is prone to use productivity as a key metric for all divisions, IT included.

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That, he argues, is because it is about improving the quality of attention, and in the modern workplace, attention is the key to productivity.

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"We are going to work hard to substantially improve the productivity and profitability of this key business, " he said.

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