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5. 在未来的6到12个月里，您可预料到的最大的商业挑战是什么
Order the items from the following list. First select an item with the spacebar to show a menu of possible ranking positions. Next, click a ranking position to order it in the ranked list. Note the menu will display more ordering options as you add items to the ranked list.
Drag items from the left-hand list into the right-hand list to order them.