what do every couple have in common?

what do every couple have in common? 脑筋急转弯:what do every couple have in common? what do all have in common翻译 What do happy people have in common? Generally speaking,what do successful people have in common? What do you have in common? 是问的啥? what do the four cards have in common?什么意思? what do the following words have in common?please in english what do most festivals seem to have in common?求3种答案、 what do most festivals seem to have in common?怎么回答 英语翻译What do these people all have in common?They are example What does a fable ,legend and myth have in common