Since the beginning of the 21st century, thanks to the concerted efforts of both sides, China-U.S. relationship has on the whole enjoyed steady growth. Since President Obama took office, we have maintained close contact through exchange of visits, meetings, telephone conversations and letters.
I'm not sure that you can say definitively that some roles are better filled by consultants, but I would say that some projects are better handled by consultants.
You don't leave behind box office scores or how many dollars changed hands.