n.路标；招牌柱；广告柱；征兆；迹象
v.设路标；指示；引导
The signpost indicates the right way to go. 路标标示正确的前进路线。
This upturn in the country's economy is a splendid signpost to the future. 国家经济的好转，对于未来是一个极好的征兆。
The road wasn't very well signposted. 这条路没有很好的设置路标。
n.树立标志
动词signpost的现在分词.
