reserve capacity for accident事故备用容量
Reserve time for games留点时间给游戏
Reserve time for dreams留点时间给梦想
reserve lighting for risk消防备用照明
reserve fund for payment支付准备金
Reserve time for laugh留点时间给欢笑
reserve sth for sb为某人预订
reserve funds for society社会后备基金
reserve ratio for banks银行准备金率