A speedometer reading for the momentary rate of travel.

行驶时时速计上的读数。

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NBTA and IHS Global Insight expect most sectors by next year to start rebuilding business travel spending levels, at an average growth rate of 4.2 percent over 2009.

NBTA和IHS Global Insight预期到明年，多数行业会开始重新提高商务旅行支出水平，在2009年水平的基础上以平均4.2%的速度增长。

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With an accuracy rate of 75 percent, it's not perfect -- but those are better odds than blind guessing gets you. bing.com/travel.

尽管它并不完美，只有75%的准确率，但也要比你盲目的估计靠谱得多。

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These problems are only proliferating as air cargo, driven by e-commerce and global outsourcing, grows at 6.4% a year, twice the rate of passenger travel.

FORBES: Grounded

The limit is twice the highest federal per diem rate allowable at the time of your travel.

FORBES: What Happens in Vegas: Traveling for Business

The rate of growth of fractional ownership has slowed globally of late, along with premium travel on scheduled services, but NetJets has doubled its sales in Europe in the past year, and hopes without Concorde to double sales again this year.

ECONOMIST: Air travel