The van has additional load space over the driver's cab.
该货车在驾驶室上方有额外的载货空间。
《柯林斯英汉双解大词典》
2
The entire city of Shanghai seemed to embrace the event, with signs urging citizens to welcome visitors all over town, and every cab driver wearing Special Olympics t shirts.
You became a pretty good mechanic, helping me with repairs, and I was mighty proud of you when you jumped into the cab and backed up over the rose bushes.