According to Sinoepg, CCTV-5 has boxing from 12:00-13:30 in Sunday noon. If the match is at that time, it's most probably shown live.

If you want to open a business, you must go through the formal registration procedures which cost both time and money.

Very few countries can only take care of themselves, because they are dependent on imports and exports (of raw materials, goods and services) from other countries.

It is in these countries interest that other countries around the world are stable and trustworthy to provide these things, and the infrastructure to go with it.

Then there are some people who believe that certain things are just right things to do, even if there isn't any obvious measurable benefit for it.

For a long time China above any other country was dependent on its exports, and it might still be a backward nation (also economically) without that role.

Without its exports, China may also be cleaner and greener country, but maybe the lack of employment opportunities for millions of people would have caused enough social instability to overthrow the government. Or a tighter noose akin to DPRK.

Probably not a big deal in practice, but letter of law would probably prevent most foreigners from doing this kind of renting business (however small) legally in China without proper permits.

After all, it would be income derived from and within China.

My wife (who is local) has never seen the western variety in stores here and the local version is apparently very different.