When animation was shot on film, it took a long time to be developed and printed, so checking, and doing any necessary re-takes was slower, and more time-consuming.

如果动画片被做成电影，那将会花费很多的时间用来冲洗和出版胶片，所以，校准和那些必须的修改工作都进行得非常慢，浪费大量的时间。