能签发除鼠证书的最晚日期是《国际卫生条例(2005)》生效的前一天，即2007年6月14日。

The latest date that a Deratting Certificate can be issued is one day prior to the entry into force of IHR (2005) or 14 June 2007.

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另外，要注意保质期或者最晚饮用日期。

Also, pay attention to the expiration or "use by" date.

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大家已经纷纷猜测首相可能早些在4月或者晚些在6月3日(最晚可能的日期)去农村。

This has sparked speculation that the prime minister might go to the country either earlier, in April, or later, on June 3rd (the last possible date).

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