Struggling with an evaporation of advertising and a downward drift in street corner sales, The New York Times intends to introduce a "metered" model at the beginning of 2011.

为了应对广告的减少和街角销售的下滑，《纽约时报》打算在2011年初引进一种“计量”模型。

youdao

Positive ions drift downward, negative ions drift upward.

正离子向下漂移，负离子向上漂移。

youdao

The stock may drift sideways, or slightly downward as if it is disinterested in going any higher.

股市五月漂流走路或略有下降，因为如果是热中走出耀武扬威。

youdao

It is also likely that the downward drift in the markets is having an impact, though some of the shift simply reflects a reversion back toward the historical averages registered by the survey.

FORBES: Investors Take A Shine To Energy And Tech

It hopes to bring the inflation rate to 2% and put to an end to a downward drift in consumer prices that has persisted for 14 years, undermining business and consumer confidence in the world's third largest economy.

CNN: OECD: End nears for Japan's deflationary spiral

You can see from the plot that the pattern is a sudden jump and then a slow drift downward.

FORBES: The Amazon Book Jungle