an original or special quality, or something that is done for every single person in a group in order to make them feel special

The chairman of the bank believes in the personal touch and always sends a signed letter to each customer. 这位银行总裁很重视人性化举措，总是给每个客户发一封亲笔签名信。

Cullinan's tasty offering adds a personal touch to a classic recipe. 卡利南做的这道可口美食为这一经典菜谱增添了独特的个人色彩。