Opt for the delectable soup, which is full of duck flavour with preserved mustard greens and bits of Chinese celery.

This paper stated the chemical structure of shallot, ginger, garlic, capsicum, Chinese prickly ash, mustard, anised, ferula, pepper and its positive function to people health.

But then I read a passage in an ancient Chinese painting manual—the Mustard Seed Garden manual of painting—which made the situation clear to me.