Big aircraft orders usually come when there is a new model, and Boeing hasn't rolled out a new version of its 737 workhorse in six years.

大额订单往往伴随着新机型的出现而出现，波音在最近6年都没有推出过737这一主力的新款机型。

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The 13 inch MacBook Pro already takes up half of all MacBook sales, so the workhorse model getting not just a spec increase, but a full reworking with the latest technology is going to have a significant impact on the laptop market.

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Sometimes, Jette said, soldiers wanted an 80-pound workhorse like a model built by Foster-Miller of Waltham, which was also tested in Afghanistan.

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