家传秘方 meaning in English

a secret recipe handed down in the family

Venchi offers the world chocolate in its purest form , keeping 125 years of tradition of chocolate making by artisan confectioners
Venchi至今依然全部以人手制作朱古力糖果，以保留家传秘方下朱古力所独有的圆润丰厚香味。
But the rapid development of materials , science and technology and so on also gives inspiration to new artistic techniques , and even promotes the great renovation of art , which is a cruel reality that cannot be stopped by those clinging to the nostrums inherited from the ancestor
但材质、科技等等的迅速发展却又启示了新的艺术技法，甚至促进了艺术大革新，这个严酷的现实冲击不是死抱着祖宗的家传秘方者们所能抵挡的。