发展对外经济关系的主要形式是( )。
因为促销是有自身统一规律性的，所以不同企业的促销组合和促销策略也应该是相同的。（)
下列收入计征增值税时需换算为不含税销售额的有( )。
A beneficiary, in accordance with the provisions of the applicable law, has the right to assign any proceeds to which he may be entitled under his credit which is not stated to be transferable. It is called
不属于商业信用筹资优点的是( )。
