As demand grew, people began selling promissory notes guaranteeing the future delivery of prized tulip bulbs.

随着需求的增长，人们开始出售期票，以保证未来高价的郁金香球茎的交付。

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They typically demand 20% up front, a further 60% during construction, and the final 20% payment upon delivery.

他们象征性的收取20%的预付款，在造船期间收取另外的60%，交付的时候收取最后20%。

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In our scenario of the mobile industry, we used the "Unordered" method to deliver events because we demand high performance of events delivery, not events delivery sequence.

在这个移动行业的场景中，我们使用“Unordered”方法交付事件，因为我们要求事件交付具有高性能，而不在乎事件交付序列。

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"As our assessment determines that we have a gap between the demand on the ground and our ability to deliver, obviously we then adjust the priority on delivery of supplies coming into the theater.

VOA: standard.2010.01.19

Video on-demand has to do with the delivery what they call content, while the video phone is the deliver of person-to-person communication. These are not nearly the same, but they both involve video.

随需视频必须与传送他们所称的“内容“相关,而视频电话是一种,个人对个人的传送，那不是,大致相同的，但它们都包含视频。

麻省理工公开课 - 媒体、教育、市场课程节选

Federal Express shares improved 8% after it reported its second-quarter earnings on December 15, saying that home delivery demand increased with online commerce orders.

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It could also tailor its delivery frequency to the demand for home delivery in a particular region.

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WunWun is a new startup based in New York City providing same-day on-demand delivery service.

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