变数：中国数字企业模型及实践：model and practice in China model and practice in China 企业社会责任：理论与中国实践：theory and practice in China Ideas,rules and practice in China Land finance theory and practice in China theory and practice in China Flood insurance theory and practice in China 旅游市场营销：理论与中国新实践：theory and new practice in China 资产证券化：中国的实践：the practice in China Foreign investment law and practice in China