Walking is safe. And,it is said be to as valuable for one's health as more intense forms of exercise like jogging.

VOA: special.2010.06.08

It's safe to say that Lycidas is one of the last poetic works of Milton's that's really consumed with his problem, the problem of fruitless anticipation.

谨慎的说，是弥尔顿最后的,切实地与他自身的问题有关的诗篇之一，他自身关于毫无成果的期望的问题。

耶鲁公开课 - 弥尔顿课程节选

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

There's a lot to be said for the road that is taken-it's safe, it's well lit, and you probably know where it leads.

ENGADGET: DARPA Innovation House project wants teams to take imaging data, see the big picture

Ms. WEBSTER: I think it's safe to say that it's as bad as it's ever been, probably even worse than in the '70s during the oil crisis.

NPR: Detroit Feels Pain Of Big Three's Troubles

They were told, It's a muni bond, it's safe, they're going to help old people like you.

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