选择理论忽略了大多数人类行为是基于习惯而非精心计算的决策这一事实。
If knowledge can create problems, it is not through ignorance that we can solve them.
Investing in sustainable forestry is investing in our planet's future.
在计算中,将显而易见的东西转化为有用的东西是“挫折”这个词的生动定义。