再者说，更糟糕的是：，这个东西甚至不能很好地下定义，因为，如果A的宽和B的高相等，我们可以这样乘。

On the other hand, actually, even worse: this thing might not even be well defined. Because if the width of a equals the height of b, we can do this product.

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“补贴”这个术语经常被运用于经济背景下。但是其背后的概念却不能被合适地给所有实践行为下定义。

The term subsidy is often used in the economic context, but the concept behind it fails to have been defined appropriately for all practical purposes.

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