expansion专辑什么意思

　　One of the driving forces behind this recent expansion is the growth of services.

　　最近的这次经济扩张背后的主要推动力量之一是服务业的增长。

　　The new digital technology would allow a rapid expansion in the number of TV channels.

　　新的数字技术将会使电视频道的数量迅速增加。

　　The vast expansion in secondary education is putting an enormous strain on the system.

　　中等教育的大幅扩张正对该系统造成巨大压力。

　　The company has abandoned plans for further expansion.

　　该公司已经放弃了进一步扩张的计划。