Buying a cabin in the mountains may be all the rage at the moment, but is it really a sound investment?在山区里买一幢小木屋眼下也许十分流行，但这个投资真的稳健吗？His music was hot stuff back in those days.他的音乐在那个年代十分流行。Buying goods on the installment plan has become epidemic in recent years.近几年来，用分期付款的办法购物十分流行。