What common psychological problem do people have?

What do happy people have in common? Generally speaking,what do successful people have in common? 英语翻译What do these people all have in common?They are example 1.What do you think the most serious psychological problem C what do all have in common翻译 what do every couple have in common? what problem do you have?英语作文 what problem do you have?这句话... what problem do(或does) .have? What do you have in common? 是问的啥? what do the four cards have in common?什么意思? 脑筋急转弯:what do every couple have in common?