词汇	returned letter
释义	returned letter 退回的信
随便看	short-run athlete short run average cost short-run average cost short-run behavior short run breeding operation short-run breeding operation short-run cash planning short-run outlook short-run output short-run performance margin short run picing behavior short run picing behaviour short run plan short-run planning short run printing short-run printing shortrun production short run production short-run production short run prodvction short run profit short run punch short-run punch short-run recursive restriction short runs