a variety of和all kinds of的区别?

a variety of和all kinds of的区别? 请问kind,a kind of,kinds of,all kinds of,a variety of的意思和区别 a variety of 和the variety of 的区别? a variety of foods和variety of foods的区别? kind of 与kinds of 和a kind of和all kinds of 的区别 all variety of与a variety of有区别吗 different kinds of和all kinds of的区别? a variety of / all kinds of / all sorts of.完全一样吗? a variety of 和 a lot of 的区别! the variety of,a variety of 的区别? a variety of 和 varieties of的区别? a kind of,all kinds of,kind of和be kind to的意思区别