importance和difference是可数名词吗？

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importance和difference是可数名词吗？
答：
importance不可数名词
difference可以是：可数名词和不可数名词

傲慢 with an air of importance 趾高气扬地 名词 n. [U](uncountable即不可数） 1.自大,差距? 他跟什么要人有关系吗.争论? 3. 这里我要强调数学对整个科学的重要性.差别.差.重要。 Can you tell the difference between an ape and a monkey. 那是我们一切分歧的根源. 下不下雨对我来说都一样. 那里白天与黑夜的温差是三十度;差额[the S][(+between/? 你能区分猿和猴吗? 2;in)] The difference in temperature between the day and the night there is thirty degrees,重大;不和[P1] That is the root cause of all our differences. 1;重要性 Here I would stress the importance of mathematics to the whole of science.重要的地位(或身份) Was he related to anyone of importance。 3。 2,差异[C]（countable即可数)[(+between)] Whether it rains or not makes no difference to me名词 n

名词 n. [u](uncountable即不可数） 1.重要,重大;重要性 here i would stress the importance of mathematics to the whole of science. 这里我要强调数学对整个科学的重要性。 2.重要的地位(或身份) was he related to anyone of importance? 他跟什么要人有关系吗? 3.自大,傲慢 with an air of importance 趾高气扬地 名词 n. 1.差别,差异[c]（countable即可数)[(+between)] whether it rains or not makes no difference to me. 下不下雨对我来说都一样。 can you tell the difference between an ape and a monkey? 你能区分猿和猴吗? 2.差,差距;差额[the s][(+between/in)] the difference in temperature between the day and the night there is thirty degrees. 那里白天与黑夜的温差是三十度。 3.争论;不和[p1] that is the root cause of all our differences. 那是我们一切分歧的根源。