如果将之看成是一个反向行动的指标，这些乌合之众的行为也许仍然有用。
The mob's behaviour might still be useful if it acted as a contrarian indicator.
下列范例使用位元组指标，在来源和目的字串之间读取及写入字元，借以反向复制字串。
The following example copies a string in reverse, by using byte Pointers to read and write characters between the source and destination strings.
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