build upv trans v USA: bɪ'ld ʌ'p UK: bɪld ʌp
build uponv intrans v USA: bɪ'ld ʌ·pɔ'n UK: bɪld əpɔn
build uponv intrans v USA: bɪ'ld ʌ·pɔ'n UK: bɪld əpɔn
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