心理现象是大自然的生存实验。

Sustainability isn't a choice; it's our responsibility to the planet and future generations.

But I miss you, Jenny. If there's anything you need... I won't be far away.

The time factor is more important than price.

The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.