0Think carefully before you make a decision, or you may regret01b00 it02b00 later.02br 02br 00Hi,02br 02br 00Is "it" in the above optional? What does it refer to? Thanks.0-
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— Philip
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0'It' refers to the decision you made, and is not optional in this construction.02br 02br 00Also o.k.: think before you make a decision 01b00which02b00 you may regret later.0-