- 重点词汇
- 冷门
unpopular subject; niche market; dark horse; unexpected winner; underdog
- 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
- 北美
North America
- 引擎
engine