谢谢波教授！看着都挺健康的。美国吃的东西便宜，主要还是地多和效率高。呆惯了到哪里都会觉得贵。

来源: 望自远方于 2014-08-22 09:33:25 [旧帖] [给我悄悄话] 本文已被阅读：次

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