- 重点词汇
- 可以
can; may; will; should; could; might; shall; be able to; OK; okay; able; right; acceptable; passable; satisfactory; safe; yes; ahead; surely; all right; able to; pretty good; not bad; by all means; I don't mind if I do
- 长期
long term; long period; lengthy period; long run; long-term; prolonged; extended; chronic; secular; long-lasting; long-range; lengthy; chronically; long; forever; over the long haul; for a long time; in the long run; for long