Here are some phrases and expressions for comparing things in English.
See also: Free-English-Study: Comparing things
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1. Which sofa should we buy?
This one is larger, but it is also more expensive.
2. I need a new watch.
The Classie is nicer than the Timebox.
That one is less affordable though.
3. Which runner are you cheering for?
Sammy. He's the fastest.
But Timmy is the most handsome.
4. I like the blue sweater.
I think the red one is better.
but the green one is the best.
5. How much sugar should I add?
Only a little.
That's too much!