目前，许多经济学家认为，是一个重大的可能性，经济衰退将在未来12个月 - 1“在扩张过程中双下降”。
Many forecasters currently believe that there is a significant probability that the economy will slump during the next 12 months – a "double dip" in the expansion process.
价格可能还在下降，不过在房价和抵押贷款利率双低的引诱下，买家正在回到这个受损最严重的市场。
Prices may be falling but buyers are at least returning to the worst-hit markets, tempted by cheaper homes and lower mortgage rates.
比如说双a电池的标准化使得它更容易被买到，而且竞争和规模效应使得产品价格下降，从而使得双a电池的效用更高。
That AA batteries are standardized makes them more readily accessible, helps drive down their price through competition and economies of scale, and thus makes the AA battery more valuable.
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