In order to reduce the amount of residue ash Shelbyville generates this year to half of last year's total, the city has revamped its collection program.

为了将谢尔比维尔今年产生的灰渣数量减少到去年总量的一半，该市已经修改了其收集计划。

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For all their troubles, the United States' 3,500 institutions were flooded with more than half a million students from 193 countries last year.

去年，来自193个国家的50多万名学生涌入了美国3500所大学，造成了很大的麻烦。

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Last year, however, one candidate produced a half-hour-long advertisement.

然而，去年，一位候选人制作了一个半小时的广告。

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"About half of our business is done in the last quarter of the year, in the last three months.

VOA: special.2009.12.25

That was down from last year, when more than three thousand walkers raised almost seven and a half million dollars.

VOA: special.2009.11.02

American schools provided aid to almost half of foreign graduate students during the last academic year, but only ten percent of undergraduates.

VOA: special.2009.02.05

As we predicted, the five-year EVA Momentum rankings have not changed much in the last half year.

FORBES: Netflix, Verisign Among Companies With Most Profitable Momentum In Q1

The Web magazine RecessionWire (subtitle: "The Upside of the Downturn"), whose founders were themselves laid off from other companies, has nursed this idea of reinvention over the last half year, with stories on poverty-provoked spiritual awakenings and musings on next steps.

FORBES: Magazine Article

You can see, however, that Apple has changed the privacy policy on its website four times in the last half a year, and that Facebook has changed its terms of use seven times.

FORBES: Firefox Privacy Plug-In Reads The Fine Print So You Don't Have To