As he spoke to reporters in the Oval Office, Mr.Obama did not discuss the contents of the review, but he said he and Prime Minister Rudd agree that Afghanistan cannot be a safe haven for terrorists.

VOA: standard.2009.03.24

So things can be dangerous. But generally, if you're smart, I think it's a very safe place to live.

因此，危险还是存在的。但大多数情况下，只要你精明点，我认为那儿还是一个非常安全的居住地。

在上西区 - SpeakingMax英语口语达人

"What we assure is that the technologies that do come on the market are safe and effective, but whether or not they should be used on a given case,a given patient, is a decision that is made by the individual practitioner."

VOA: standard.2010.04.07