Silence is not the absence of sound, but the presence of something deeper.
Understanding a question is half an answer.
The past is a foreign country; they do things differently there.
科学不仅仅是关于事实，而是理解支配这些事实的基本原理。
The companies that will thrive are those that see plastic not as waste, but as a renewable resource.
那些将塑料视为可再生资源而非废物的公司将会蓬勃发展。