你能给我介绍一下语言活动吗？

Could you tell me something about the language activities?

youdao

或者你可能被要求在家庭活动介绍一位演讲者或婚礼上做演讲，你的语言将需要感动人们或使他们发笑。

Or you might be asked to introduce a speaker at a family event or to speak at a wedding, where your language will be needed to move people or make them laugh.

youdao

在活动介绍的内容中，提出了一些公司对于建造有效的推荐系统必须解决的几个问题。

In those presentations, there were some hints at the problems that these companies have to overcome to build an effective recommender system.

youdao