A number of fitness spas existed prior to this aerobic fitness movement, even a national chain with spas in most major cities.

在这种有氧健身运动出现之前，市面上已经有不少健身水疗会所，在大城市甚至有全国性的连锁机构。

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Even leading high-tech companies----including those whose products started the chain reaction----sometimes find themselves out-paced by entrepreneurs with little more than a good idea.

甚至领头的高科技公司——包括其产品曾引发连锁反应的那些公司——有时都发现他们自己被只有一个好创意的企业所超越。

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A Web resource can be configured to have no filters associated with it (default), a single filter (typical), or even a chain of filters.

Web资源可以配置为没有过滤器与之关联(这是默认情况)、与单个过滤器关联(这是典型情况)，甚至是与一个过滤器链相关联。

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Retail is a challenging business when economic growth is weak, and even more so with online shopping and a lack of chain loyalty wreaking havoc on traditional business models.

FORBES: Best Buy Bruised Again, Apple Climbs To Fresh High Before Retreat

Shen expects to double the number of inns he runs next year and is exploring a new chain of hotels with even smaller, cheaper rooms.

FORBES: The Bed Business

Even with existing technology, the amount of information that a supply chain can provide changes the way in which companies deal with both shipments and inventory.

ECONOMIST: Delivery companies are consolidating