The key bit is the top-level extension element x:wsbuffer which provides a stock of blank character content to be used in the replacement operation.

关键是顶层的扩展元素 x:wsbuffer，它提供了替换操作中所使用的空白字符内容。

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Groupon, Inc. is offering [blank] shares of its Class A common stock and the selling stockholders are offering [blank] shares of Class A common stock.

现提供[空白下划线]股A级普通股股份，同时售股股东现提供[空白下划线]股A级普通股股份。

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By analyzing a typical example, this article gives a method of determining the weight of cutting stock during finish forging gear blank.

通过一个典型实例的分析，给出了确定精锻齿坯下料重量的方法。

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Apple proposed the preferred stock amendment, the CEO said, after a broader review of its corporate governance practices and that the proposal is meant to eliminate the possibility of issuing so-called "blank check" preferred stock.

WSJ: Apple Calls Proxy Fight a 'Silly Sideshow'

An even more complex and expensive method is when an insider in a consulate steals blank official passports from the stock before names or pictures have been added and then sells them to illicit brokers who customize and sell them.

CENTERFORSECURITYPOLICY: passport5

"There are numerous examples of proxy proposals that combine multiple changes to a single corporate document, including elimination of the 'blank check' authority to issue preferred stock, " Apple stated.

CNN: Apple claims Einhorn holding investors hostage