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Its single expansion slot USES a reduced form factor SD card, which admittedly fits quite nicely in a very crowded case.

它唯一的扩展槽使用了一种简化型的sd卡，无疑它非常适合这种非常拥挤的设备。

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Because using single quotes disables a bash feature called expansion, where special characters and sequences of characters are replaced with values.

因为使用单引号禁用了称为扩展的bash特性，其中，特殊字符和字符系列由值替换。

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It refers not to the French motorway running east from Marseille, but the eight poor countries from Eastern Europe who joined the EU in the largest single expansion since its creation in 1957.

BBC: One, Sunday, 24 April 2005 at 22:20 BST

Now, bearing the name of AMD Radeon HD 6990, its successor sidles up to the throne and demands attention as the fastest single expansion board you can plug into your shiny new motherboard.

ENGADGET: AMD launches Radeon HD 6990 powerhouse for $699, maintains 'world's fastest' title

Focusing on a single market endangers future expansion because other businesses can lock down neighboring markets before you get there.

FORBES: 3 Steps To Making Your Internet Business Go Global