In the bottommost section, you can see a breakdown of how many sparse n-grams are extracted for the input string, and how many would be extracted if we were doing bigrams, trigrams or quadgrams. Note the stark difference: we're actually extracting a lot of sparse n-grams!
Windows Central
，更多细节参见谷歌浏览器
叶卡捷琳娜·乌丽季娜（自我养护栏目编辑）
Try unlimited accessOnly $1 for 4 weeks