When Arthur was four, his father was given responsibility for a public play area called Brook Field.

VOA: special.2010.02.07

you know, he is like... he is actually really the father of exactly the field I'm working in.

你知道，他……他其实就是我研究的这个领域的创始人。

以爱因斯坦为榜样 - SpeakingMax英语口语达人