Once you know what pieces to look for, what mental constructs to reach for, can you realize all right I want to make some dancing figures go back and forth, I need to loop this way and loop this way and check if I'm on the edge and so forth.

一旦确定需要查找的部分,想要达到那种层次，你是否意识到,我想做出一些可以来回走动跳舞的人，我需要按这种方式那种方式让它转圈,并检查我是否,到了屏幕的边缘等等。

哈佛公开课 - 计算机科学课程节选

if you want to see some more, if you want to travel, so you need it absolutely.

如果你想见识更多，如果你想旅行的话，你绝对需要英语。

学习英语的理由 - SpeakingMax英语口语达人

You want decisions to be made there so you need some additional mechanism for decision making at the point of contact between the axon of one cell and the dendrite of another.

而想要做出决定,在一个细胞的轴突和下一个细胞的树突,的连接点上 需要额外的决策机制

耶鲁公开课 - 生物医学工程探索课程节选