It takes time to enact new laws.

A new law has been enacted.

He is working in the field of law.

He has been working as a doctor in this town for many years.

I haven't seen him for a long time.

He has been working as a doctor in this town for many years.

In Japan, there is a common practice of decorating with kadomatsu for New Year's.

It took him time to become accustomed to the new environment.

He conducted the trial based on common law.

My father works at a major law firm.