离开很远的意思.
句例：
It's a long way away from home.
离开家很远了.
still a long way to go
还有很长的路或路途正要遥远.
句例：
To become successful,it's a still long way to go.
要成功,还有一段很长的路途要走呢.
所以有一个away在后面,意思就变了.