In Vim/Vi, how do you move the cursor to the end of the previous word?

問題：

In Vim's normal mode:在 Vim 的正常模式下：

• e goes to the end of the next word e到下一個單詞的末尾
• w goes to the beginning of the next word w轉到下一個單詞的開頭
• b goes to the beginning of the previous word b轉到上一個單詞的開頭

How do you move the cursor to the end of the previous word?如何將光標移動到上一個單詞的末尾？

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解決方案：

參考一： https://en.stackoom.com/question/LVJe
參考二： https://stackoom.com/question/LVJe