ðɛɹˌɑːɹ pɹˈoʊz ænd kˈɑːnz wɪð ˈiːtʃ kənvˈɛnʃən ænd nˈʌn ɑːɹ sˈuːɾəbəl ɪn ˈɔːl sˈɜːkəmstˌænsᵻz; sˌʌm ɑːɹ bˈɛɾɚ jˈuːzd wɛn ɐ nˈɑːtɹʌmp kˈɑːntɹækt ɪz lˈaɪkli ænd ˈʌðɚz wɛn ɐ tɹˈʌmp kˈɑːntɹækt ɪz sˈɔːt.
There are pros and cons with each convention and none are suitable in all circumstances; some are better used when a notrump contract is likely and others when a trump contract is sought.