[] to use a particular city, town, etc. as the main place where you do business驻扎；设立◆They based the new company in Belgrade.他们把新公司设在贝尔格莱德。●ˈbase sth on/upon sthto use a fact, a situation, an idea, etc. as the point from which sth can be developed以…为基础；建立在…基础上◆What are you basing this theory on?你这一理论的依据是什么？