But as you saw from a little litany of key safety issues, they've been around for a very long time.

但是，如你们从关键的安全问题里看到，它们已经存在了很长时间了。

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Large sums of money were invested in commodities that were not used, sometimes because the public saw no need for them or questioned their safety.

有大量资金投在用品方面，而又未加使用。有时这是因为公众认为没有必要使用，或者对这些用品的安全性存有质疑。

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As he rose to the surface, gasping for breath, he saw that he had been a long time under water; he was perceptibly farther down stream nearer to safety.

他露出水面，大口大口喘气。他发现自己在水中已经呆了很长时间；他意识到自己在向远处的下游漂去。

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But some saw the wisdom and the patient safety movement began.

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Ferrari's Massa had been comfortably leading the first-ever night Grand Prix when the safety car was deployed following a crash which saw Renault's Nelson Piquet Jr. hit a trackside wall.

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Five years ago we saw men and women risking their own safety to save strangers.

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