A writer must be a witness to his or her time, must bear witness to the injustices and the sufferings of the world.
作家必须是他或她时代的见证者，必须见证世界的不公和苦难。
The function of mental processes is to mediate between the needs of the organism and the demands of the environment.
在宏大的进化历程中，我们都是突变体。
Collaboration in science bridges gaps between what we know and what we can discover.