估计一下做准备得花多长时间，要花多长时间到达目的地，你就会大致的算出这些时间，一旦你了解了这些，你就可以提前做好计划，提前十分钟到达单位了，这种感觉会很好的。

You’ve probably been underestimating these times. Once you know these times, you can plan backwards so that you show up 10 minutes early each time.

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更重要的是，根据研究机构America's Conference Board的统计，中国的生产率年增速到达20%，单位产品的成本仍在下降。

More important, China's productivity is growing faster, by 20% a year, according to America's Conference Board, a research organisation. That means overall unit costs are still falling.

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这也对确保你所有单位都到达指定位置很有帮助。

This is also useful for ensuring all your units are facing the right way when they get to their ordered location.

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