教具套装在R2金鱼培训学校"的网站上零售价是30美元，包括一张长达45分钟的DVD，一本训练手册，一根鱼食棒和20多件小工具。
The kit, which retails for $30 at r2fishschool.com, comes with a 45-minute DVD, a training manual, a feeding wand and more than 20 accessories.
教具套装在R2金鱼培训学校"的网站上零售价是30美元，包括一张长达45分钟的DVD，一本训练手册，一根鱼食棒和20多件小工具。
The kit, which retails for $30 at r2fishschool.com, comes with a 45-minute DVD, a training manual, a feeding wand and more than 20 accessories.
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