对本周的中国地震而言，到周四下午就已经达到了72小时的黄金救援时间门槛。
For victims of this week's China quake, that threshold passed Thursday afternoon locally.
由于经美国前往海地大概需要20个小时的时间，我将错过“黄金救援”时间。
As it will take some 20 hours to arrive in Haiti via the United States, I will miss the best time to save people from the rubble.
在被称为最适宜救援的72小时的黄金时间过去后，出现幸存者的希望日渐渺茫。
Hopes are fading after the end of the 72-hour "golden window" for survivors, considered the optimum time for rescue.
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