教育与收入之间的关系是复杂的,并且在不同背景下有所不同。
Marine protected areas are not just conservation tools, but investments in our collective future.
Not everything that is faced can be changed, but nothing can be changed until it is faced.
自然实验可以为经济问题提供有价值的见解。
艺术是逃离世界混乱的唯一避难所,一个我们可以找到意义和美丽的地方。