As a result of this risky behavior, the number of new infections has skyrocketed over a short period of time.

这种冒险行为使新感染者人数在短时期内急剧上升。

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Whatever the market, even simple charts, basic patterns of buyer or seller behavior and media reports reveal radical changes within a short time frame.

无论身处哪个市场，通过简单的图表、买家与卖家行为的基本模式、以及媒体的报道，都可以揭示短期内的根本变化。

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No one has ever before documented the spread of a learned behavior through a population of these Marine mammals over a short period of time.

从前没有人记录过这种海洋哺乳动物的学习行为短时间内在种群中扩散的现象。

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Regulatory pressures have failed to guarantee ethical behavior and social responsibility in corporate America, and efforts at self-management have fallen short time and again.

FORBES: For the 21st Century, a Network of Beneficial Philanthropy and Corporate Citizenship