Reading scores have been steadily declining since 2005 .

阅读分数从2005年开始一直稳步下降。

A declining population would result in economic stagnation .

人口数量逐渐下降可能导致经济停滞。

U.s. oil imports have already been declining for several years .

而美国的石油进口几年来已经呈现下降趋势。

The bric economies saw declining growth for a seventh successive quarter .

金砖四国的增长率已是连续第七个季度下降。

The ensuing fight for market share is reflected in ctrip 's declining profitability .

随之而来的市场份额争夺战从携程网不断下滑的利润可见一斑。