[] to use a particular city, town, etc. as the main place where you do business 驻紮；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甚麽？
