translation.en: Now, I'm actually going to ask you to try something, so you've got to pay attention. Complexity: if you spend enough time doing something, time slows down or your skill increases, so your perceptions change.
translation.zh: 现在，我得让你尝试一些东西 好让你必须集中你的注意力——复合， 如果你花足够时间做某件事情的话，那么时间会减慢， 或者你的技巧提升了，所以你的感知会发生变化。