Definition
The freedom or permission to use something or go anywhere within a specific place.
自由使用某物的权利
Since this company is a family business, I have the run of the company's resources.
由于这家公司是家族企业，我可以自由使用公司的资源。
While they were away on vacation, I had the run of their house.
他们去度假的时候，我可以随意进出他们的房子。
As the boss's son, he has the run of all the equipment in the company.
作为老板的儿子，他可以自由使用公司里的所有设备。