Topic 024 寄信 Post(2)
讲义
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.
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.
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