不過理性討論封信係真係有嘢可以挑剔
Despite our customer services team best efforts in... -> team
's best efforts
Especially your foul language... have been -> especially your foul language ...
which have been very aggressive and confrontational / especially
when your foul language... have been very aggressive
不過講真封信有冇typo其實真係好小事亦唔影響一封普通信嘅內容
做過相關工作就會知執typo執極都有 一日對咁多文件有typo唔出奇 出啲重要contracts重要搵幾對眼慢慢執typo