Ruby does not process any data in a string if you wrap it in single quotes.

Ruby 不处理任何用单引号括起来的字符串信息。

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You will wrap these two tags into a single usable component, as shown in Listing 2.

您需要将这两个标签置于一个单个的可用组件中，如列表 2所示。

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This article presents an alternative method in which you use a single database class to wrap multiple database tables.

本文提出一个替代方法：使用单个数据库类包转多个数据库表。

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Novak relied upon a single break in the deciding third set to wrap-up the match and earn his quarter-final place.

BBC: Nadal storms past Portas

Well, Samsung is now telling us that their newly dubbed UbiSync technology will allow for up to 6 -- not a mere "3 or 5" -- of their 19-inch displays to wrap their loving arms around you when daisy-chained from a single USB port on your PC.

ENGADGET: Samsung's UbiSync monitor rig: all USB, all the time