The greatest push to free movement of labor in soccer came in 1995 after the so-called Bosman ruling.

1995年博斯曼法案的出台是足球界球员自由流动的最大推动力。

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To attain the end of a unified labor market in the European Union (EU), it is a prerequisite to address the social security problem for the workers of free movement.

欧盟要真正实现人员自由流动以形成内部统一的劳动力市场，必须解决自由流动工人的社会保障问题，免除其后顾之忧。

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Soccernomics demonstrated that this reality of the professional soccer marketplace and the relative free movement of labor within it ensure that the best players congregate within the teams who can pay the most money.

FORBES: In Professional Soccer the Final 10% is the Difference Maker