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The difference between columns 1 and 2 is that ...
Column 1 contains expressions of offering help, while column 2 contains expressions of giving suggestions.
Column 1 contains expressions of offering help, while column 2 contains expressions of refusing offers.
Column 1 contains expressions of giving suggestions, while column 2 contains expressions of refusing suggestions.
Column 1 contains expressions of asking for suggestions, while column 2 contains expressions of offering helps.