The lottery winners were chosen through a random drawing.

随机：通过随机抽签选出彩票中奖者。

It seems that random drawing to aid concentration might be becoming more of a thing.

似乎随机抽取以帮助集中注意力可能会变得越来越普遍。

However, in 2016, an article on the Harvard University website discussed the idea that random drawings may assist memory retention and concentration.

然而， 在 2016 年，哈佛大学网站上的一篇文章讨论了随机绘图可能有助于保持记忆和集中注意力的想法。