免费享用公共货物者;搭便车者;
EXAMPLE: Then there is the free rider problem.
例证: 另外就是无本获利的问题.
China has long been a free rider on the ocean highways.
长期以来,中国在大洋公路上搭便车.
Explain what a free rider is and how that concept is related to environmental law.
解释什么是坐享其成并且那个概念怎么与环境法有关.
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