In just a moment the hearts are gonna start flowing from bottom to top and the cookies are gonna start moving left and right and they seem to be somewhat synchronized with the music, perhaps based on trial and error by the student who implemented this one.

刚刚那一刻，那些爱心们从底部上浮到顶部,饼干人则向左向右移动,它们似乎都随着音乐的律动而变化着，也许这是那个制作该动画的同学,不断尝试的结果。

哈佛公开课 - 计算机科学课程节选

Any one of these things would introduce error, but when you start adding them altogether, you get considerable error, so that means--it shows several things.

这些事物都会引入误差,一旦误差集中起来,会变成严重的错误,那就意味着,表现如下

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选