今日短语
a mixed blessing 喜忧参半的事例句Working in a big city is a mixed blessing. It is so convenient and comfortable there, but noise pollution and traffic congestion are two big headaches.在大城市里工作是喜忧参半的事，虽然很舒服和方便，不过噪音污染和交通堵塞却是两大头痛之事。
