Black holes are not just cosmic vacuums; they are the ultimate laboratories for testing the limits of our physical theories.
The paper industry has a unique opportunity to lead the way in environmental stewardship.
我们今天所做的每一个决定都会在未来海洋中产生涟漪效应。
企业文化的建设是长期战略的重要组成部分。
When the third appeared, he thrust at it with the knife, only to feel the blade[刀片] snap as the fish rolled.