This could mean that although she has the power and influence to change what other people think about her, she only uses her voice for the sake of truth instead of being defensive and saying that everyone else is always wrong.
这可能意味着虽然她有权力和影响力来改变别人对她的看法，但她只是为了真理而使用她的声音而不是防守并说其他人总是错的。