The only way to improve the models would be to spend considerable time and money creating new ones but that seems unlikely in today's budget-conscious climate.

改变这一模式得唯一方法，就是要花费相当大的时间和财力创造一种新的模式。 但是，在当今的预算理念的环境下，这似乎是不可能的。

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Companies have the budget and time scale necessary to research charities and narrow it down to ones that are highly effective and measure results.

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