ˌʌndɚ tˈuːɐŋɡˌuː, ɐn ˈaɪɾəm mˈʌst biː bˈɔːt ɪn ɐ mˈɪnɪməm kwˈɔntᵻɾi ɔːɹ dˈɑːlɚɹ ɐmˈaʊnt, ˈʌðɚwˌaɪz ðə sˈɛlɚ wɪl nˌɑːt ɐlˈaʊ ðə pˈɜːtʃɪs.
Under tuángòu, an item must be bought in a minimum quantity or dollar amount, otherwise the seller will not allow the purchase.