Traditionally retailers measure “footfall”, as the number of people entering a store is known, but those numbers say nothing about where people go and how long they spend there.

过去，商家通过监测客流量来获取进入店面的顾客人数。 但顾客人数无法表明人们都到哪些区域以及在这些区域停留的时间长短。

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Then came the day when she heard a heavy footfall on the first landing, heard somebody running frantically up the first flight of stairs, heard a man's voice Shouting something.

直到有一天，她听到楼梯口传来沉重的脚步声，听到有人慌慌张张跑上第一层的楼梯，还听到有人在叫喊着些什么。

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Yet visits to shops (other than those in out-of-town retail parks) are still trending lower than last year, according to Experian FootFall, a market-research firm.

然而，根据一家市场调研公司Experian FootFall的公告显示，（除了市郊的零售场所）光顾商店的次数较去年仍呈现出下降趋势。

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"The premise that high vacancy rates tend to perpetuate low footfall appears to hold true with a decline in footfall of -10.1% in Wales alongside an increase in a vacancy rate of 1.9% from October, " she said.

BBC: Shopper

Over by the street-vendors, setting up their food stalls to tempt the hungry and exhausted, young men kick a ball about until the last of the light fades, scuffing up a cloud of dust with every footfall.

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The BRC acknowledged this, but said that the net effect of the Games was minimal as "lower footfall in London was offset by a better performance in the rest of the country".

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