单词navy-gray
网络: 深蓝灰
This approach works most successfully with shoes that are neutral colors, such as black, navy, gray, taupe, tan, or brown.
这种方法对于那些中性色（译者注：非彩色）的鞋子最有效果，比如黑色、深蓝、灰色、灰褐色、棕褐色或者棕色等。