Most special characters lose their meaning when they occur inside a bracket expression.

大多数特殊字符在中括号表达式内出现时都会失去它们的意义。

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Even using an absolute XPath expression such as /bracket/contestants/contestant[@seed='1'] doesn't work.

即使使用绝对的 XPath 表达式，如 /bracket/contestants/contestant[@seed='1']，也没有办法。

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We may employ equilibrium considerations to delete the second expression in the bracket.

我们可以应用平衡条件消去括号中的第二项。

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