城市是建筑最伟大的老师。

你的天空无法变蓝是因为我。

Sometimes you have to lose yourself to find yourself.

"I believe that every child deserves to see themselves in the books they read."

文化核心的概念对于理解社会如何组织其生存活动至关重要。

根据问题出现的背景，代数实部可以接受从负无穷到正无穷的所有数值。