单项选择题
对用户访问数据库的权限加以限定是为了保护数据库的
判断题 The multimodal transport operator is only responsible for the water transport part.
未知题型 加入胡萝卜的水饺馅没有用完的可以留到第二天接着使用()
未知题型 With respect to the public warehousing, contract warehousing forbid a company focusing on its core competencies.