So we're making the unseen seen in the visualizations.

因此我们通过直观化过程,使看不见的东西变得可见。

麻省理工公开课 - 媒体、教育、市场课程节选

When he laughed, was witty, in a merry humor, one could scarce sees his eyes, and by and by, when he was serious and positive, he opened his eyes round.

当他笑时，他是睿智的，带有令人愉快的幽默，都看不见他的眼睛了，不一会儿，他变得严肃和积极了，便圆睁着眼睛。

耶鲁公开课 - 政治哲学导论课程节选