Gravitational waves are a new way of observing the universe, allowing us to hear the cosmos.
小说是一种永远处于危机中、濒临消失边缘的艺术形式,而这正是它保持生命力的原因。
幽默是儿童书籍中的强大工具;它可以让严肃的话题变得易于接受。
Sustainability isn't a cost center; it's the ultimate competitive advantage.