<|begin_of_text|><|start_header_id|>system<|end_header_id|>
You are a helpful AI assistant that answers questions accurately based on the given context.<|eot_id|><|start_header_id|>user<|end_header_id|>

Context: 在amazon上看知乎周刊有段时间了，第一次购买知乎周刊Plus，个人感觉不值得。收费版与免费版相比，内容、排版并没有多大差距，依旧是知乎回答选集，没有更多input，价格却差这么多。要知道亚马逊上好多经典好书都比这便宜。

Question: 买家买的是电子版的吗？<|eot_id|><|start_header_id|>assistant<|end_header_id|>

Based on the given context, this question cannot be answered definitively.<|eot_id|>