The empty shell of a snail or clam may be left behind, and if it is sufficiently durable and resistant to dissolution, it may remain basically unchanged for a long period of time.

蜗牛或蛤蜊的空壳可能会被留下来，如果足够持久和抗溶解，它可能会在很长一段时间内基本保持不变。

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Pregnant women are already advised not to empty cat litter trays, as the parasite can be fatal to unborn babies, and now it seems the health risks may extend to other people.

孕妇们已经被建议不要去清理猫的垃圾盘，因为寄生虫对于未出生的孩子是非常致命的，现在，似乎健康的风险已经扩张到了其他人。

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Factoring in taxes, upkeep and the opportunity cost of keeping money in a non-performing asset, an empty luxury home may be costing owners a lot just by sitting there.

算上税、维修保养费用和把钱放在不良资产中带来的机会成本，一座空荡荡的豪华住宅仅仅闲置在那里，也可能让房主花销不菲。

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And half-empty hotels may be reluctant to cut room prices, because raising them again when demand recovers could drive away repeat customers as well as bargain hunters.

ECONOMIST: Is this the end of sticky prices?

The suburbs may be pleasant enough when parents are absorbed with work and children, but for the childless and the empty-nesters the city has many merits.

ECONOMIST: With age, cities go centrifugal��but maybe not for ever