写在最后，这篇游记的题目是取自于Robert Frost的Stopping by Woods on a Snowy Evening。当然我最初看到这首诗是源于Elementary。每次行走在路上的时候都会默念这最后一小节。然后咬紧牙关miles and miles的往前走。不仅仅是说徒步的时候，人生的路上也是如此。

“The woods are lovely, dark, and deep,

But I have promises to keep,

And miles to go before I sleep,

And miles to go before I sleep.”