w:go to the start of the following [w]ord
b:go to the [b]eginning of this word
e:go to the [e]nd of this word
vim中w是下一个单词,b是上一个单词,这两个字母（w和b）分别是哪两个单词的缩写呀?
w:go to the start of the following [w]ord
b:go to the [b]eginning of this word
e:go to the [e]nd of this word