英語(yǔ)你我他生活篇12:寄信 Post(2)

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https://online2.tingclass.net/lesson/shi0529/0007/7888/life_024_post_005.mp3

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講義

A: Which is faster?

B: It takes six hours for a letter sent by domestic speed post to get to the recipient, but you have to pay $90. For a prompt delivery letter, it takes 2 days. But it's much cheaper, 15 dollars only.