investment in在 ... 方面投资
investmentn.投资;投资额;投入
investment function投资函数
investment in money现金投资
investment benefits投资效益
investment schedule投资表
investments sources投资来源
investment moulding熔模铸造
investment projects投资项目
investment and risk投资及风险
investment currency投资货币,投资通货
investment planning投资管理规划