在现代经济生活中，经济权利的交换活动十分普遍，而经济权利的交换是经济资源最优配置的必然要来。
This paper argues that, economic rights exchange is very popular in modern economy, and the exchange of economic rights is very necessary for optimizing the distribution of economic resources.
这将使测试员可以在时间限制或者资源限制范围内，最优化配置覆盖率。
This enables testers to ensure that they optimize configuration coverage within their time or resource constraints.
从这种观点出发，我们现在面临的最大问题是，当看不见的手引导资源向最优方向配置的时候，税收扭曲了资源优化配置所参考的价格信号。
The problem, according to this view, is that taxes distort the price signals through which the invisible hand guides resources to their best destinations.
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