除共有人之间另有约定外，处分共同共有的不动产，应当经()。
We_____knowledgefromourfamilies,schools,jobs,andthemassmedia
垄断利润是垄断统治在经济上的()
在研究下列物体的运动时，能将物体作为质点处理的是
Ifyouhavedifficultylocatingaparticularbook，pleaseaskourlibrariansfor___(assist).
Justafewyearsago，Tanyawas___(home)andbeggingformoneyinfrontofasupermarketinNewYorkCity.