目前为止，示例中的 shell 提示都设置为正斜杠、英镑符号、或符号 #。
In the examples used so far, the shell prompt is set to the hash, or pound, symbol (#).
遗憾的是，为欧元或者英镑返回的货币符号不是实际的符号，而是三位的货币代码(来自ISO 4217)。
Unfortunately, the currency symbols returned for things like euros and pounds are not the actual symbols, but are instead the three-digit currency code (from ISO 4217).
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