第一句: Would you please weigh this for me?
A: Would you please weigh this for me? I'd like to send it by airmail.
B: It's 2.3 dollars. Here are the stamps and sticker, be sure to paste these stamps and an "Air Mail" sticker on the envelope.
第二句: Your letter is overweight.
A: Your letter is overweight. You must pay extra for it.
B: How much do I have to pay?
A: 40 cents for it.
What's maximum weight allowed?
Can you weigh this?