The next couple were Lance and Ella. They reminded me of Seth and I, just reversed. Ella, though it was almost invisible, was like Seth, while Lance was the one like me. They, too, looked absolutely perfect together. Lance looked like he would jump in front of a bullet for his Ella.
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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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