单项选择题Where a charter-party specifies the estimated time of arrival of a vessel at the port of loading, there is ________ on the shipowners to sail to there on the date on which when proceeding with all convenient speed it would normally reach the port on or about the estimated date of arrival.A.a necessary rightB.an absolute observationC.an absolute obligationD.a possible solution
不定项选择对于跨国创新而言,不是把控制当作主要工作,而是通过复杂的机制来协调和引导差异化和相互依存的组织单位,使得他们具有共同的愿景、使命和价值观。