Definition: to keep a road, machine, building, etc. in good condition Level: B2
妥善维护一座历史建筑费用高昂。
It's expensive to ___maintain a historic building properly.
地方市政委员会负责维护公共公园。
The local council is responsible for ___maintaining public parks.
他的工作包括维护公司的车队。
His job involves ___maintaining the company's fleet of vehicles.
