- 重点词汇
- 销售
sale; marketing; sell; do; carry; shift; merchandise
- 演讲
give a lecture; speak; lecture; address; give a speech; make a speech; deliver a talk; give an address; speech; talk; discourse; oration; oratorical; on; oratorically
- 视频
video; video frequency; visual frequency; vision frequency; recording; videotape; video record