Despite the empty promises of freedom and unity made by our forefathers, they created a symbol, the American symbol.

不去管我们的祖先留下的关于自由和联合无法兑现的承诺，他们确是创造了一种象征，美国的象征。

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Convert the database's result for an invalid symbol, such as an empty query result, into the error the service expects.

将数据库针对无效代码的输入结果(如空查询结果)转换为服务希望的错误。

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So-called empty sign means the symbol with the form of blank, partition, pause and distance etc. functioning as a special sign that can't be acted for in various sign systems.

所谓空符号，是指以空白、间隔、停顿、距离等作为符号形式，在各种符号系统中起着不可替代作用的一类特殊符号。

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Most stations still have plastic bags wrapped around their nozzles, now the universal symbol for empty in this city.

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"Allowing this armory to remain empty and stand as a symbol of the abandonment that once plagued the Bronx was simply unthinkable, " Bloomberg said as he stood in the chilly, vaulted, four-acre-plus expanse that was the armory's drill floor.

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In the meantime, empty frames hang on the walls of the museum, a reminder of the "enormous loss" and a symbol of hope that they will be recovered, said Ortiz.

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