释义：人生常面临方向选择，每个方向似乎都有不同诱惑，让我们徘徊不定。

We have the mini and the micro computer. In what semantic niche would the pico computer fall?

Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.

认识你自己。