西部大斥地实施五年多来，西部地域财政支出规模、结构都发生了改变。

After five years implementation of western development, the scale and structure of financial expenditure in western regions changed a lot.

youdao

你尝试了一堆不同的假设，如果你很好地设置实验，那么你就可以学会点什么。我们斥巨资打造了这个庞大的测试框架。

You try a bunch of different hypotheses, and if you set up the experiments well, then you kind of learn what to do... we invest in this huge testing framework.

youdao