The exception is that. ( Paragraph 2 exception.n: a) the act of excepting or the condition of being excepted, exclusion e.g. We praised them all, with two exceptions b)one that is excepted, especially a case that does not conform to a rule or generalization e.g. There is an exception to this grammatical rule should use trade barriers..(Paragraph 7) barrier n a)a structure, such as a fence built to bar passage e.g. The police put a barrier across the road something immaterial that obstructs or impedes e.g. Intolerance is a barrier to understanding- The exception is that…. (Paragraph 2): exception. n.: a) the act of excepting or the condition of being excepted, exclusion e.g. We praised them all, with two exceptions. b) one that is excepted, especially a case that does not conform to a rule or generalization e.g. There is an exception to this grammatical rule. - …should use trade barriers…. (Paragraph 7) barrier n. a)a structure, such as a fence, built to bar passage e.g. The police put a barrier across the road. b)something immaterial that obstructs or impedes e.g. Intolerance is a barrier to understanding