为了克服当代生活的焦虑和抑郁,个人必须在一定程度上独立于社会环境,不再仅仅根据其奖励和惩罚来做出反应。
A proof tells us where to concentrate our doubts.
The work of art is already within the block of marble. I just have to chisel away the superfluous material.
健康的动物是健康食品链的基础。
Customer satisfaction is worthless. Customer loyalty is priceless.