更典型的解决方案是显示用户名、主机名、目录，以及美元符号或井号(具体取决于当前用户的UID)。

A more typical solution is to display the username, hostname, directory, and the dollar or hash sign, depending on the UID of the current user.

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典型的通配符是，问号（？） ，井号（#），或者星号（*），用来作为替代字母的占位符。

Wild cards are typically a question mark (?), pound sign (#), or asterisk (*) used as placeholder symbols to stand in for letters.

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但如果这项措施也失败了，就得花上两个月来依靠二号井来缓解一号井的压力，从而遏制石油的流动。

But if that fails, it could be months before a second well is completed, reducing the pressure in the first and thus stemming the flow.

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