And they can stay in the air for more than a week, whereas most drones fly for no more than 30 hours at a time.

气球飞艇能在空中停留一个多星期，而多数无人机一次最多只能飞行30小时。

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Because those employees can stay in touch with work, read and respond to email, view attachments, and create documents no matter where they are, they become more productive.

因为那些雇员能够跟工作保持接触，可随时阅读并回复电子邮件、浏览附件，并创建文档，他们变得更具生产力。

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When you can no more hold me by the hand, Nor I half turn to go, yet turning stay.

虽然诗人意识到，生死两地，“你已不能再把我的 手紧握，我也不能再犹豫着，欲去还留。”

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And no company can stay in business unless it can bring in more money than it spends.

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So that they can stay on top of each investment, they vow to have no more than a total of 40 long and short positions.

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In defense, which has been growing faster than inflation for more than a decade, we can no longer afford to stay on that path.

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