In any case, all countries will need to carry out good post-marketing surveillance to make sure that they pick up any early sign of a safety problem with a particular vaccine.

无论如何，各国需要在疫苗上市后密切监测，确保发现特定疫苗安全问题的任何早期迹象。

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That's a good sign because it means retailers are expecting sales to pick up in the coming months.

这是个好的征兆，意味着零售商预计今后几个月内销售额会急剧增加。

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It can be easier to pick up overtime if you no longer have to get your manager to sign off on it.

如果加班不必非要经理签字了，就能更容易得到加班费。

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But the young fighters who race around town in their pick-up trucks often appear to resent any sign of "relaxation".

BBC: Besieged Misrata: Seaside picnics, laughter and rockets

The recent pick-up in money growth is a welcome sign that banks are finally beginning to use their excess reserves to make money-creating loans and investment.

FORBES: Money Supply Growth Shows Stimulus Finally Getting Banks To Lend More

As in four recent periods when share prices rose even as inflation increased, the pick-up in prices should be welcomed as a sign that an economy that was showing worrying signs of weakness is recovering, and not of the central bank losing its grip.

ECONOMIST: Inflation in America