Yellow fever remains the only disease specifically designated under the IHR (2005) for which proof of vaccination or prophylaxis may be required for travellers as a condition of entry to a State.

黄热病仍然是根据《国际卫生条例(2005)》可能要求旅行者进入某个国家前出示疫苗接种或预防措施证明的唯一专门指定的疾病。

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A transition condition is a true or false statement that the processor may use to determine the current state of any particular activity.

转移条件就是一条是或者否的语句，处理器借以判定任何一个特定活动的当前状态。

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War and strife between opposites is the eternal condition of the universe Everything is in a state of flux, or change, and war and strife between opposites is the eternal condition of the universe.

世上所有的事物都处在一种变化的状态，并且对立面之间的矛盾和竞争是宇宙永恒的状态。

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If the terms of the employment contract condition severance payments on compliance with the non-disparagement clause or unequivocally state that a breach of the non-disparagement clause will result in a forfeiture of severance or other benefits- the clause is optimized if the payments or benefits paid out to the executive director are paid out over a period of time.

FORBES: 5 Must-Haves in an Executive Director's Employment Agreement