However, as these frontiers are reached, moving to higher frontiers becomes more difficult and requires larger and new types of infusion of finance, as well as rearranged priorities with regard to what mobilized resources can finance.
但在达到这些较高利用水平后，继续提高变得更加困难，需要注入更多的和各种新的资金，并在筹集到的资金应如何使用上，重新安排优先事项。