他说他有截止期限限制。
保护机密信息的法律有效的容许无限期的独自拥有秘密信息，而不象专利及商标那样有期限限制。
The law of protection of confidential information effectively allows a perpetual monopoly in secret information - it does not expire as would a patent or trade mark.
管理员可通过两种方法配置此特性：根据未来特定日期与配置当天相隔的天数限制预订，或根据特定的日期限制预订。
There are two ways that an administrator can configure the feature: limit reservations by a particular number of days into the future, or limit reservations by a specific date.
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