实验性
表示一段机密字符串的占位符。 脚本无法访问或修改机密字符串的内容， 此对象仅仅是一个占位符。
This represents a placeholder object that represents a secret string. The contents of that string are not available to script; this object is just a placeholder.
表示一段机密字符串的占位符。 脚本无法访问或修改机密字符串的内容， 此对象仅仅是一个占位符。
This represents a placeholder object that represents a secret string. The contents of that string are not available to script; this object is just a placeholder.