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1. Her picture is not like mine.
Her picture is different from mine.

2. Khanh is a better painter than Giang.
Giang can't paint as well as Khanh.

3. I much prefer country life to city life.
I think living in the country is better than living in the city.

4. Her picture is not the same as her brother's.
Her picture is different from her brother's.

5. This year's performance is not very good. Last year's was better.
This year's performance is not as good as last year's.