Positive psychology is as concerned with strength as with weakness, as interested in building the best things in life as in repairing the worst.

我觉得布什总统根本没有为艾滋病做任何事。事实上，我都不能确定他会不会拼艾滋这个单词。

寻找意义是一种徒劳的努力。

The city is a mirror of society.

水产养殖的未来在于平衡生态责任与经济增长。