Studies on blocking have shown that around half of the time we will become 'unblocked' after about a minute. The rest of the time it may take days to recover the memory.

对于阻塞问题的研究表明，大约有一半的时侯我们的记忆会在一分钟之后变得畅通，而其他时侯我们则需要几天的时间来恢复记忆的畅通。

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how to save time sleeping by replacing a night's rest with half-hour naps around the clock;

怎么能用闹钟控制你只睡半个小时，却用来代替一晚上的睡眠，以此来节约时间？

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For the rest they could meet only in the streets, in a different place every evening and never for more than half an hour at a time.

所以他们其余的时间只能在街上见面，每晚在一个不同的地点见面，且一次绝无可能超过半小时。

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As an alien robot attempting to master the ways of New Yorkers, Murphy is expectably uproarious, but more than half of his screen time is given over to his straight-man role as the captain, who, along with the rest of his crew, undergoes an emotional awakening upon contact with the joyful irrationality of life on earth.

NEWYORKER: Meet Dave