Replace the B with a using the vi-style "replace single character" commands (that is, click r, and then type a).

使用vi风格的“替换单个字符”命令将b替换为a(即单击r，然后键入A)。

youdao

In case that Party B is unsatisfied with the service of the driver, Party a shall replace the driver unconditionally.

乙方对甲方提供的司机服务有异议时，甲方应无条件更换司机。

youdao

Stage Four: A and B become so fed up that they decide to replace C with a new sidekick who will make them feel good about themselves.

FORBES: The Downside to Having Female Cliques at the Office