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

Song, let them take it For there's more enterprise In walking naked.

歌，让他们拿去,因为要有更大的魄力,才敢于赤身行走。

耶鲁公开课 - 现代诗歌课程节选

And even more scary than that, a friend of mine is married, and his wife was walking to church one morning.

更可怕的是，我的一个已经结了婚的朋友，有一天早上当他老婆正往教堂走时，

在上西区 - SpeakingMax英语口语达人

It includes more than eighty kilometers of trails for walking.

VOA: special.2009.04.15

So I prefer walking if I can, just because I feel more in charge.

所以如果可以，我更喜欢走路，因为我觉得那样我更能掌控自己。

纽约的交通手段 - SpeakingMax英语口语达人

"These ideas are probably better seen in some European communities where they have a long tradition of trying to preserve their historical development identity and had,in the past, much more orientation to walking and the use of transit.

VOA: standard.2010.07.26