We need to ensure that the Internet remains a platform for innovation and free expression.
The world is a book, and those who do not travel read only one page.
A writer is someone who pays attention to the world.
谷物种植的成功不仅仅以蒲式耳衡量，还要看我们土壤的健康状况。
Sustainability is not an option; it's a necessity for the future of agriculture.
The study of cognition requires both empirical and theoretical approaches.