the ability to move easily from one place, social class or job to another 可动性；流动性；能动性◆French and Spanish companies particularly value mobility for senior managers. 法国和西班牙的公司尤其重视高层管理人员的流动性。◆Limited upward mobility(= moving towards a higher social position and becoming richer) can lead to discontent among young people. 有限的上行社会流动会引发年轻人的不满。
the ability to move or travel around easily; the ability to be moved easily 活动性；可移动性◆Someone with limited mobility may not be able to use a mouse. 活动受限的人可能无法使用鼠标。◆the mobility of capital 资本流动