Needless to say, all this is one tough marketingproblem.
不用说，所有这一切都是个棘手的营销问题。
2
It's going to take a long time to solve this marketingproblem.
要解决这个行销问题，得花上好一段时间才行。
3
In this paper, we study the integrated supply chain-marketingproblem in supply chain network composed of single plant, multiple products, multiple periods and multiple distribution centers.