Look at this pair of sentences. Choose from the phrases to complete sentence b with the same meaning as sentence a.
a) In my opinion, it must be user-friendly if we want people to buy it.
b) In my opinion, it can'taren't ableisn't advisable's essential that it’s user-friendly so people will buy it.

К сожалению, у нас пока нет статистики ответов на данный вопрос, но мы работаем над этим.