Now, recommendation engines powered by artificial intelligence are not new.
如今，智能推荐引擎已不新奇。
TED演讲（音频版） 2020年9月合集
And they could do so in part by insisting on actual transparency around how these recommendation engines are working, around how the curation, amplification and targeting are happening.
Recommender systems or recommendation systems (sometimes replacing "system" with a synonym such as platform or engine) are a subclass of information filtering system that seek to predict the 'rating' or 'preference' that a user would give to an item.