- 重点词汇
- 搜索引擎
search engine
- 咨询
consult; seek advice; inquire; counsel; ask for information; consultative; advisory; consultation; advice; inquiry; counseling; consultancy; consulting service; information service
- 引擎
engine
- 论坛
forum; tribune
- 营销
marketing; market; sell; merchandise
- 免费
free; complimentary; gratis; courtesy; be free of charge; cost free; cost a dime; cost a penny; for free; at no cost; without payment; grant free of charge