Then, just weeks away from birth, the trend reversed.
然而,仅仅出生几个月后,趋势就逆转过来了。
In a sign of just how volatile the markets are, the dow has reversed direction every day, closing up one day, then down the next, for the past seven sessions.
一个表明市场动荡程度的迹象是,道指在过去七个交易日每天都会出现大逆转,前一天收盘走高,第二天即告下跌。
Last year, a group of physicists at Yale University proposed a way to do just that with something called a time-reversed laser.
去年,耶鲁大学的一群物理学家想出了一个叫作时间反演激光器的东西,来实现这个逆过程。
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