名词 renewal:

1. the conversion of wasteland into land suitable for use of habitation or cultivation

2. the act of renewing

3. filling again by supplying what has been used up

renewaln.更新；恢复；革新；复苏；复活renewal fund[经] 更新基金； 换新基金renewal mode新陈代谢renewal part换用零件renewal costs更新费renewal parts换用零件renewal cycle更新周期renewal basis展期基差renewal ideas观念更新renewal model更新型模型renewal value更新价值