A: Can you see the difference?

B: Sure, I can.

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A: Does your plan differ from mine?

B: Somewhat.

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A: What's the difference between the new type and the old type?

B: The new type saves electricity.

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A: Are the sizes different?

B: We have small, medium and large sizes.

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A: Can you distinguish any difference between the two?

B: No, there's little difference.

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A: Can you tell nylon from acrylic fiber?

B: I think I can.

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A: Does this year's fashions differ greatly from last year's?

B: Yes, a lot.

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A: Has he changed much?

B: Yeah, he is different than he used to be.