单词 付得起 例句 DEFINITIVE EXAMPLES 权威例句〔ENOUGH/NOT ENOUGH〕These days more and more people can afford to fly, which means the airways become increasingly crowded. 如今付得起钱乘飞机的人越来越多,这就意味着空中航线越来越拥挤。朗文写作活用〔LOOK AFT...