yǒu rén shuō hái xíng ba, kě néng zhǐ shì yì bān; yǒu rén shuō hái xíng a, kě néng shì tǐng mǎn yì

有人说“还行吧”，可能只是一般；有人说“还行啊”，可能是挺满意。

When someone says 'It's okay,' it might be just average; when someone says 'It's good,' they might be quite satisfied.